{
  "dataset": "MovieLens 100K title/genre text",
  "protocol": {
    "users": 20,
    "train_examples": 1829,
    "test_examples": 468,
    "steps": 100,
    "seeds": [
      42,
      43,
      44
    ]
  },
  "llm": "HuggingFaceTB/SmolLM2-135M-Instruct",
  "generated_prompts": 875,
  "auc": {
    "id_ranker": {
      "values": [
        0.7298241,
        0.70950181,
        0.72631054
      ],
      "mean": 0.72187882,
      "std": 0.01086181
    },
    "kar_hybrid_expert": {
      "values": [
        0.72496584,
        0.72333919,
        0.73492094
      ],
      "mean": 0.72774199,
      "std": 0.00627013
    },
    "mean_absolute_gain": 0.00586317,
    "mean_relative_gain_percent": 0.812
  },
  "checkpoint_committed": false,
  "schema_version": 2,
  "manifest_ref": "reproduction:kar",
  "evaluation_protocol": {
    "tier": "l3_paper_pipeline",
    "seeds": [
      42,
      43,
      44
    ],
    "formal_comparison": true,
    "claim_policy": "formal multi-seed comparison"
  },
  "provenance": {
    "artifact_path": "docs/reproductions/2306.10933-kar/metrics/movielens-100k-seeds42-44.json",
    "historical_migration": "historical-metrics-v2-2026-08-09",
    "original_code_commit": "not recorded",
    "dataset_fingerprint": "not recorded in historical artifact"
  }
}