[{"hubfile_id": 1, "hubfile_name": "file1.uvl", "dataset_id": 1, "dataset_title": "Sample dataset 1", "dataset_doi": "10.1234/dataset1", "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 2, "hubfile_name": "file2.uvl", "dataset_id": 1, "dataset_title": "Sample dataset 1", "dataset_doi": "10.1234/dataset1", "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 3, "hubfile_name": "file3.uvl", "dataset_id": 1, "dataset_title": "Sample dataset 1", "dataset_doi": "10.1234/dataset1", "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 4, "hubfile_name": "file4.uvl", "dataset_id": 2, "dataset_title": "Sample dataset 2", "dataset_doi": "10.1234/dataset2", "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 5, "hubfile_name": "file5.uvl", "dataset_id": 2, "dataset_title": "Sample dataset 2", "dataset_doi": "10.1234/dataset2", "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 6, "hubfile_name": "file6.uvl", "dataset_id": 2, "dataset_title": "Sample dataset 2", "dataset_doi": "10.1234/dataset2", "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 7, "hubfile_name": "file7.uvl", "dataset_id": 3, "dataset_title": "Sample dataset 3", "dataset_doi": "10.1234/dataset3", "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 8, "hubfile_name": "file8.uvl", "dataset_id": 3, "dataset_title": "Sample dataset 3", "dataset_doi": "10.1234/dataset3", "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 9, "hubfile_name": "file9.uvl", "dataset_id": 3, "dataset_title": "Sample dataset 3", "dataset_doi": "10.1234/dataset3", "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 10, "hubfile_name": "file10.uvl", "dataset_id": 4, "dataset_title": "Sample dataset 4", "dataset_doi": "10.1234/dataset4", "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 11, "hubfile_name": "file11.uvl", "dataset_id": 4, "dataset_title": "Sample dataset 4", "dataset_doi": "10.1234/dataset4", "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 12, "hubfile_name": "file12.uvl", "dataset_id": 4, "dataset_title": "Sample dataset 4", "dataset_doi": "10.1234/dataset4", "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 13, "hubfile_name": "file1.uvl", "dataset_id": 9, "dataset_title": "Hair dye feature model", "dataset_doi": "10.5072/zenodo.331916", "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 14, "hubfile_name": "FM3-Tinte.uvl", "dataset_id": 10, "dataset_title": "blablabla", "dataset_doi": "10.5072/zenodo.331930", "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 38, "abstract_features": 1, "concrete_features": 37, "leaf_features": 31, "compound_features": 7, "top_features": 6, "solitary_features": 13, "grouped_features": 25, "typed_features": 0, "multi_features": 0, "tree_relationships": 17, "mandatory_features": 3, "optional_features": 9, "feature_groups": 5, "alternative_groups": 5, "or_groups": 0, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 2.0, "branching_factor": 5.29, "min_children_per_feature": 2, "max_children_per_feature": 11, "avg_children_per_feature": 0.97, "cross_tree_constraints": 0, "logical_constraints": 0, "simple_constraints": 0, "requires_constraints": 0, "excludes_constraints": 0, "complex_constraints": 0, "pseudo_complex_constraints": 0, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 0, "avg_features_per_constraint": 0.0, "avg_constraints_per_feature": 0.0, "satisfiable": true, "core_features": 4, "false_optional_features": 0, "dead_features": 0, "variant_features": 34, "unique_features": 0, "pure_optional_features": 2, "configurations": 117000.0, "configurations_is_upper_bound": false, "total_variability": null, "partial_variability": null, "homogeneity": 0.3712, "cfg_mean_features": 14.11, "cfg_stddev_features": 1.71, "cfg_median_features": 14.0, "cfg_min_features": 7, "cfg_max_features": 18},{"hubfile_id": 39, "hubfile_name": "file6 (22).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 40, "hubfile_name": "file10 (1) (29).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 41, "hubfile_name": "file2 (28).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 42, "hubfile_name": "file9 (21).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 43, "hubfile_name": "file10 (17).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 44, "hubfile_name": "file8 (33).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 45, "hubfile_name": "file6 (31).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 46, "hubfile_name": "file5 (1) (7).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 47, "hubfile_name": "file2 (22).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 48, "hubfile_name": "file5 (42).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 49, "hubfile_name": "file2 (14).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 50, "hubfile_name": "file7 (1) (15).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 51, "hubfile_name": "file11 (1) (14).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 52, "hubfile_name": "file3 (1) (13).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 53, "hubfile_name": "file1 (1) (26).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 54, "hubfile_name": "file11 (37).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 55, "hubfile_name": "file3 (1) (34).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 56, "hubfile_name": "file3 (4).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 57, "hubfile_name": "file9 (1) (12).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 58, "hubfile_name": "file4 (2).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 59, "hubfile_name": "file4 (7).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 60, "hubfile_name": "file11 (1) (2).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 61, "hubfile_name": "file11 (3).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 62, "hubfile_name": "file11 (1) (25).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 63, "hubfile_name": "file12 (34).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 64, "hubfile_name": "file8 (19).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 65, "hubfile_name": "file1 (1) (28).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 66, "hubfile_name": "file3 (24).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 67, "hubfile_name": "file3 (19).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 68, "hubfile_name": "file8 (30).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 69, "hubfile_name": "file3 (1) (18).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 70, "hubfile_name": "file3 (23).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 71, "hubfile_name": "file12 (1) (17).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 72, "hubfile_name": "file1 (1) (2).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 73, "hubfile_name": "file11 (1) (6).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 74, "hubfile_name": "file12 (28).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 75, "hubfile_name": "file6 (1) (28).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 76, "hubfile_name": "file1 (1) (16).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 77, "hubfile_name": "file9 (1) (2).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 78, "hubfile_name": "file1 (1) (18).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 79, "hubfile_name": "file1 (29).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 80, "hubfile_name": "file7 (1) (21).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 81, "hubfile_name": "file11 (10).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 82, "hubfile_name": "file12 (1) (21).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 83, "hubfile_name": "file2 (23).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 84, "hubfile_name": "file12 (10).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 85, "hubfile_name": "file3 (5).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 86, "hubfile_name": "file5 (20).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 87, "hubfile_name": "file10 (42).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 88, "hubfile_name": "file6 (19).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 89, "hubfile_name": "file1 (1) (15).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 90, "hubfile_name": "file8 (1) (23).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 91, "hubfile_name": "file11 (1) (8).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 92, "hubfile_name": "file11 (1) (23).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 93, "hubfile_name": "file5 (33).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 94, "hubfile_name": "file10 (32).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 95, "hubfile_name": "file7 (1) (23).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 96, "hubfile_name": "file3 (1) (28).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 97, "hubfile_name": "file9 (38).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 98, "hubfile_name": "file1 (1) (23).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 99, "hubfile_name": "file8 (1) (11).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 100, "hubfile_name": "file9 (1) (21).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 101, "hubfile_name": "file5 (1) (13).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 102, "hubfile_name": "file4 (1) (33).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 103, "hubfile_name": "file2 (1) (2).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 104, "hubfile_name": "file11 (1) (29).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 105, "hubfile_name": "file12 (1).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 106, "hubfile_name": "file9 (1) (1).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 107, "hubfile_name": "file12 (1) (4).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 108, "hubfile_name": "file1 (49).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 109, "hubfile_name": "file4 (4).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 110, "hubfile_name": "file3 (42).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 111, "hubfile_name": "file8 (1) (18).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 112, "hubfile_name": "file10 (1) (2).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 113, "hubfile_name": "file11 (33).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 114, "hubfile_name": "file6 (1) (18).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 115, "hubfile_name": "file6 (1) (22).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 116, "hubfile_name": "file10 (1) (12).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 117, "hubfile_name": "file9 (1) (24).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 118, "hubfile_name": "file1 (6).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 119, "hubfile_name": "file9 (1) (17).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 120, "hubfile_name": "file1 (10).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 121, "hubfile_name": "file4 (6).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 122, "hubfile_name": "file12 (1) (13).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 123, "hubfile_name": "file8 (35).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 124, "hubfile_name": "file11 (1) (7).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 125, "hubfile_name": "FM3-Tinte (6).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 38, "abstract_features": 1, "concrete_features": 37, "leaf_features": 31, "compound_features": 7, "top_features": 6, "solitary_features": 13, "grouped_features": 25, "typed_features": 0, "multi_features": 0, "tree_relationships": 17, "mandatory_features": 3, "optional_features": 9, "feature_groups": 5, "alternative_groups": 5, "or_groups": 0, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 2.0, "branching_factor": 5.29, "min_children_per_feature": 2, "max_children_per_feature": 11, "avg_children_per_feature": 0.97, "cross_tree_constraints": 0, "logical_constraints": 0, "simple_constraints": 0, "requires_constraints": 0, "excludes_constraints": 0, "complex_constraints": 0, "pseudo_complex_constraints": 0, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 0, "avg_features_per_constraint": 0.0, "avg_constraints_per_feature": 0.0, "satisfiable": true, "core_features": 4, "false_optional_features": 0, "dead_features": 0, "variant_features": 34, "unique_features": null, "pure_optional_features": null, "configurations": 117000.0, "configurations_is_upper_bound": false, "total_variability": null, "partial_variability": null, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 126, "hubfile_name": "FM3-Tinte (3).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 38, "abstract_features": 1, "concrete_features": 37, "leaf_features": 31, "compound_features": 7, "top_features": 6, "solitary_features": 13, "grouped_features": 25, "typed_features": 0, "multi_features": 0, "tree_relationships": 17, "mandatory_features": 3, "optional_features": 9, "feature_groups": 5, "alternative_groups": 5, "or_groups": 0, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 2.0, "branching_factor": 5.29, "min_children_per_feature": 2, "max_children_per_feature": 11, "avg_children_per_feature": 0.97, "cross_tree_constraints": 0, "logical_constraints": 0, "simple_constraints": 0, "requires_constraints": 0, "excludes_constraints": 0, "complex_constraints": 0, "pseudo_complex_constraints": 0, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 0, "avg_features_per_constraint": 0.0, "avg_constraints_per_feature": 0.0, "satisfiable": true, "core_features": 4, "false_optional_features": 0, "dead_features": 0, "variant_features": 34, "unique_features": null, "pure_optional_features": null, "configurations": 117000.0, "configurations_is_upper_bound": false, "total_variability": null, "partial_variability": null, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 127, "hubfile_name": "file2 (2).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 128, "hubfile_name": "file3 (25).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 129, "hubfile_name": "file9 (1) (23).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 130, "hubfile_name": "file7 (1) (17).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 131, "hubfile_name": "file4 (28).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 132, "hubfile_name": "file10 (37).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 133, "hubfile_name": "file11 (1) (24).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 134, "hubfile_name": "file6 (27).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 135, "hubfile_name": "file9 (24).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 136, "hubfile_name": "file9.uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 137, "hubfile_name": "file4 (1) (30).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 138, "hubfile_name": "file3 (1) (35).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 139, "hubfile_name": "file6 (24).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 140, "hubfile_name": "file5 (1) (12).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 141, "hubfile_name": "file11 (28).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 142, "hubfile_name": "file8 (4).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 143, "hubfile_name": "file4 (31).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 144, "hubfile_name": "file1 (1) (5).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 145, "hubfile_name": "file5 (1) (19).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 146, "hubfile_name": "file2 (41).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 147, "hubfile_name": "file10 (12).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 148, "hubfile_name": "file6 (1) (11).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 149, "hubfile_name": "file5 (23).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 150, "hubfile_name": "file1 (44).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 151, "hubfile_name": "file6 (1) (31).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 152, "hubfile_name": "file9 (27).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 153, "hubfile_name": "file11 (15).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 154, "hubfile_name": "file9 (35).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 155, "hubfile_name": "file8 (40).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 156, "hubfile_name": "file8 (17).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 157, "hubfile_name": "file6 (29).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 158, "hubfile_name": "file9 (1) (35).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 159, "hubfile_name": "file12 (1) (18).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 160, "hubfile_name": "file2 (16).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 161, "hubfile_name": "file11 (1) (15).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 162, "hubfile_name": "file6 (1) (30).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 163, "hubfile_name": "file1 (20).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 164, "hubfile_name": "file10 (1) (34).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 165, "hubfile_name": "file1 (2).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 166, "hubfile_name": "file3 (1) (27).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 167, "hubfile_name": "file10.uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 168, "hubfile_name": "file2 (1) (34).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 169, "hubfile_name": "file1 (30).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 170, "hubfile_name": "file10 (1) (27).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 171, "hubfile_name": "file2 (1) (18).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 172, "hubfile_name": "file10 (1) (13).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 173, "hubfile_name": "file8.uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 174, "hubfile_name": "file7 (35).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 175, "hubfile_name": "file11 (9).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 176, "hubfile_name": "file11 (1) (22).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 177, "hubfile_name": "file5 (10).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 178, "hubfile_name": "file11 (1) (4).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 179, "hubfile_name": "file8 (41).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 180, "hubfile_name": "file9 (1) (27).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 181, "hubfile_name": "file3 (26).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 182, "hubfile_name": "file6 (33).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 183, "hubfile_name": "file10 (1) (11).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 184, "hubfile_name": "file5 (1) (27).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 185, "hubfile_name": "file1 (1) (24).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 186, "hubfile_name": "file7 (11).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 187, "hubfile_name": "file12 (29).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 188, "hubfile_name": "file8 (21).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 189, "hubfile_name": "file8 (1) (6).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 190, "hubfile_name": "file5 (43).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 191, "hubfile_name": "file4 (1) (11).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 192, "hubfile_name": "file1 (13).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 193, "hubfile_name": "file4 (34).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 194, "hubfile_name": "file7 (15).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 195, "hubfile_name": "file3 (1) (31).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 196, "hubfile_name": "file7 (1) (26).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 197, "hubfile_name": "file6 (1) (26).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 198, "hubfile_name": "file1 (40).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 199, "hubfile_name": "file3 (34).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 200, "hubfile_name": "file6 (12).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 201, "hubfile_name": "file11 (1) (20).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 202, "hubfile_name": "file1 (15).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 203, "hubfile_name": "file5 (7).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 204, "hubfile_name": "file4 (1) (12).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 205, "hubfile_name": "file12 (1) (16).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 206, "hubfile_name": "file4 (26).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 207, "hubfile_name": "file1 (48).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 208, "hubfile_name": "file7 (25).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 209, "hubfile_name": "file5 (1) (10).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 210, "hubfile_name": "file9 (1) (3).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 211, "hubfile_name": "file11 (2).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 212, "hubfile_name": "file12 (20).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 213, "hubfile_name": "file10 (1) (21).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 214, "hubfile_name": "file7 (38).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 215, "hubfile_name": "file8 (8).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 216, "hubfile_name": "file8 (1) (19).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 217, "hubfile_name": "file6 (37).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 218, "hubfile_name": "file7 (1) (4).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 219, "hubfile_name": "file3 (1) (20).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 220, "hubfile_name": "file3 (1) (10).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 221, "hubfile_name": "file6 (1) (32).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 222, "hubfile_name": "file5 (15).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 223, "hubfile_name": "file3 (20).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 224, "hubfile_name": "file12 (1) (28).uvl", "dataset_id": 12, "dataset_title": "a", "dataset_doi": null, "extracted_at": "2026-04-23T12:37:47", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": null, "pure_optional_features": null, "configurations": null, "configurations_is_upper_bound": null, "total_variability": 0.0547, "partial_variability": 0.4409, "homogeneity": null, "cfg_mean_features": null, "cfg_stddev_features": null, "cfg_median_features": null, "cfg_min_features": null, "cfg_max_features": null},{"hubfile_id": 1934, "hubfile_name": "file1.uvl", "dataset_id": 27, "dataset_title": "Dataset 1", "dataset_doi": "10.5072/zenodo.494171", "extracted_at": "2026-04-28T21:17:46", "extractor_version": "1", "parse_error": null, "features": 10, "abstract_features": 0, "concrete_features": 10, "leaf_features": 7, "compound_features": 3, "top_features": 4, "solitary_features": 5, "grouped_features": 5, "typed_features": 0, "multi_features": 0, "tree_relationships": 6, "mandatory_features": 2, "optional_features": 2, "feature_groups": 2, "alternative_groups": 1, "or_groups": 1, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.71, "branching_factor": 3.0, "min_children_per_feature": 2, "max_children_per_feature": 4, "avg_children_per_feature": 0.9, "cross_tree_constraints": 2, "logical_constraints": 2, "simple_constraints": 1, "requires_constraints": 1, "excludes_constraints": 0, "complex_constraints": 1, "pseudo_complex_constraints": 1, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 5, "avg_features_per_constraint": 2.5, "avg_constraints_per_feature": 1.0, "satisfiable": true, "core_features": 3, "false_optional_features": 0, "dead_features": 0, "variant_features": 7, "unique_features": 0, "pure_optional_features": 2, "configurations": 24.0, "configurations_is_upper_bound": false, "total_variability": 0.0235, "partial_variability": 0.189, "homogeneity": 0.7167, "cfg_mean_features": 7.17, "cfg_stddev_features": 0.99, "cfg_median_features": 7.0, "cfg_min_features": 5, "cfg_max_features": 9},{"hubfile_id": 1935, "hubfile_name": "propeller.uvl", "dataset_id": 28, "dataset_title": "dddd", "dataset_doi": "10.5072/zenodo.498838", "extracted_at": "2026-05-12T17:42:29", "extractor_version": "1", "parse_error": null, "features": 32, "abstract_features": 12, "concrete_features": 20, "leaf_features": 20, "compound_features": 12, "top_features": 2, "solitary_features": 17, "grouped_features": 15, "typed_features": 0, "multi_features": 0, "tree_relationships": 22, "mandatory_features": 15, "optional_features": 1, "feature_groups": 6, "alternative_groups": 6, "or_groups": 0, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 4, "mean_depth_of_tree": 3.4, "branching_factor": 2.58, "min_children_per_feature": 1, "max_children_per_feature": 5, "avg_children_per_feature": 0.97, "cross_tree_constraints": 0, "logical_constraints": 0, "simple_constraints": 0, "requires_constraints": 0, "excludes_constraints": 0, "complex_constraints": 0, "pseudo_complex_constraints": 0, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 0, "avg_features_per_constraint": 0.0, "avg_constraints_per_feature": 0.0, "satisfiable": true, "core_features": 16, "false_optional_features": 0, "dead_features": 0, "variant_features": 16, "unique_features": 0, "pure_optional_features": 7, "configurations": 432.0, "configurations_is_upper_bound": false, "total_variability": null, "partial_variability": 0.0066, "homogeneity": 0.7031, "cfg_mean_features": 22.5, "cfg_stddev_features": 0.5, "cfg_median_features": 22.0, "cfg_min_features": 22, "cfg_max_features": 23},{"hubfile_id": 1936, "hubfile_name": "propeller.uvl", "dataset_id": 29, "dataset_title": "ssssssss", "dataset_doi": null, "extracted_at": "2026-05-12T17:43:25", "extractor_version": "1", "parse_error": null, "features": 32, "abstract_features": 12, "concrete_features": 20, "leaf_features": 20, "compound_features": 12, "top_features": 2, "solitary_features": 17, "grouped_features": 15, "typed_features": 0, "multi_features": 0, "tree_relationships": 22, "mandatory_features": 15, "optional_features": 1, "feature_groups": 6, "alternative_groups": 6, "or_groups": 0, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 4, "mean_depth_of_tree": 3.4, "branching_factor": 2.58, "min_children_per_feature": 1, "max_children_per_feature": 5, "avg_children_per_feature": 0.97, "cross_tree_constraints": 0, "logical_constraints": 0, "simple_constraints": 0, "requires_constraints": 0, "excludes_constraints": 0, "complex_constraints": 0, "pseudo_complex_constraints": 0, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 0, "avg_features_per_constraint": 0.0, "avg_constraints_per_feature": 0.0, "satisfiable": true, "core_features": 16, "false_optional_features": 0, "dead_features": 0, "variant_features": 16, "unique_features": 0, "pure_optional_features": 7, "configurations": 432.0, "configurations_is_upper_bound": false, "total_variability": null, "partial_variability": 0.0066, "homogeneity": 0.7031, "cfg_mean_features": 22.5, "cfg_stddev_features": 0.5, "cfg_median_features": 22.0, "cfg_min_features": 22, "cfg_max_features": 23},{"hubfile_id": 1937, "hubfile_name": "sample_splent_app.uvl", "dataset_id": 30, "dataset_title": "prueba UI actualizada", "dataset_doi": "10.5072/zenodo.523466", "extracted_at": "2026-06-24T22:56:19", "extractor_version": "1", "parse_error": null, "features": 17, "abstract_features": 0, "concrete_features": 17, "leaf_features": 15, "compound_features": 2, "top_features": 14, "solitary_features": 15, "grouped_features": 2, "typed_features": 0, "multi_features": 0, "tree_relationships": 15, "mandatory_features": 3, "optional_features": 11, "feature_groups": 1, "alternative_groups": 1, "or_groups": 0, "mutex_groups": 0, "cardinality_groups": 0, "depth_of_tree": 2, "mean_depth_of_tree": 1.13, "branching_factor": 8.0, "min_children_per_feature": 2, "max_children_per_feature": 14, "avg_children_per_feature": 0.94, "cross_tree_constraints": 10, "logical_constraints": 10, "simple_constraints": 10, "requires_constraints": 10, "excludes_constraints": 0, "complex_constraints": 0, "pseudo_complex_constraints": 0, "strict_complex_constraints": 0, "arithmetic_constraints": 0, "aggregation_constraints": 0, "features_in_constraints": 11, "avg_features_per_constraint": 2.0, "avg_constraints_per_feature": 1.82, "satisfiable": true, "core_features": 4, "false_optional_features": 0, "dead_features": 0, "variant_features": 13, "unique_features": 0, "pure_optional_features": 4, "configurations": 1296.0, "configurations_is_upper_bound": false, "total_variability": 0.0099, "partial_variability": 0.1582, "homogeneity": 0.6405, "cfg_mean_features": 10.89, "cfg_stddev_features": 1.78, "cfg_median_features": 11.0, "cfg_min_features": 5, "cfg_max_features": 16}]