metadata/dataset_summary.json

{
  "dataset_version": "6.0.0-embedding-lift-controlled",
  "random_seed": 42,
  "total_entities": 12000,
  "total_records": 36000,
  "records_by_source": {
    "business_registry": 12000,
    "tax_registry": 12000,
    "inspection_record": 12000
  },
  "records_by_source_and_split": {
    "business_registry": {
      "test": 1800,
      "train": 8400,
      "validation": 1800
    },
    "tax_registry": {
      "test": 1800,
      "train": 8400,
      "validation": 1800
    },
    "inspection_record": {
      "test": 1800,
      "train": 8400,
      "validation": 1800
    }
  },
  "true_positive_pair_count": 36000,
  "semantic_only_positive_count": 5400,
  "designed_lexical_positive_share": 0.85,
  "heuristic_lexical_proxy_recall": 0.8436388888888889,
  "hard_negative_count": 16740,
  "balanced_evaluation_pair_count": 57600,
  "challenge_evaluation_pair_count": 21000,
  "production_like_evaluation_pair_count": 68222,
  "production_like_match_share_by_split": {
    "test": 0.05669335979023457,
    "train": 0.08,
    "validation": 0.05669335979023457
  },
  "validation_passed": true
}