{
  "name": "mamaretrieval",
  "version": "v0.2.0",
  "release_date": "2026-05-24",
  "description": "Per-retriever evaluation of 6 retrievers on 3,185 midwifery / OBGYN queries against the rag-bundle-v0.2.0 corpus, graded by an LLM judge under a 4-dimension rubric (D1 topic, D2 meaningful, D3 actionable, D4 density; score = d1 \u00d7 (d2 + d3 + d4) \u2208 [0..6]).",
  "scope": "Tier 3: union of top-20 from 6 retrievers \u2014 230,964 judged (q, c) pairs. Top-3 union (Tier 2's scope) is a strict subset, recoverable from rankings.parquet with rank <= 3.",
  "previous_version": {
    "version": "v0.1.0",
    "scope": "Tier 2: union of top-3, 36,418 judged pairs.",
    "build_commit": "02127e3"
  },
  "judge": {
    "model": "Qwen/Qwen3.5-397B-A17B-FP8",
    "prompt_hash": "9d2abdfb76b030ea",
    "schema_version": "v-88c09262",
    "prompt_file": "audit/judge_relevance_prompt.txt"
  },
  "query_generator": {
    "model": "Qwen/Qwen3.6-27B-FP8",
    "prompt_hash": "1bf02ec4c75c580e",
    "schema_version": "v-c2419971",
    "prompt_file": "audit/query_generation_prompt.txt"
  },
  "retrievers": [
    {
      "name": "bm25",
      "model": "BM25 (lexical baseline)"
    },
    {
      "name": "medcpt",
      "model": "ncbi/MedCPT (Query+Article Encoders)"
    },
    {
      "name": "octen",
      "model": "Octen/Octen-Embedding-8B"
    },
    {
      "name": "voyage",
      "model": "voyage-4-large"
    },
    {
      "name": "lateon",
      "model": "lightonai/GTE-ModernColBERT-v1"
    },
    {
      "name": "gecko",
      "model": "gecko-1024-quant-v0.2.0 (on-device TFLite)"
    }
  ],
  "top_k": 20,
  "corpus": {
    "bundle": "rag-bundle-v0.2.0",
    "producer_commit": "a1abe003cce742b46954375d17abb28a3e27110f"
  },
  "configs": {
    "queries": {
      "rows": 3185
    },
    "rankings": {
      "rows": 382200,
      "depth": 20
    },
    "judgments": {
      "rows": 230964
    },
    "judgments_with_reasoning": {
      "rows": 230964,
      "extra_columns": [
        "thinking"
      ]
    },
    "chunks": {
      "rows": 41298
    }
  }
}