{
  "paper": "2603.28994",
  "adapter": "cross-domain-kd",
  "dataset": "MovieLens-100K source/target domains",
  "fair_protocol": {
    "source_users": 180,
    "target_users": 60,
    "items": 260,
    "din_steps": 100,
    "seeds": [
      42,
      43,
      44
    ]
  },
  "setup": {
    "steps": 100,
    "kd_weight": 0.2
  },
  "results": {
    "din": {
      "hit_at_10": 0.1055555556,
      "ndcg_at_10": 0.0551821761,
      "head_share_at_10": 0.5383333333
    },
    "target_only": {
      "hit_at_10": 0.0444444444,
      "ndcg_at_10": 0.0168965322
    },
    "zero_shot_kd": {
      "hit_at_10": 0.0444444444,
      "ndcg_at_10": 0.0174070027
    },
    "ndcg_vs_din_percent": -68.4553892,
    "ndcg_ablation_percent": 3.0211556
  },
  "paper_online_ab": {
    "discovery_percent": 1.12,
    "new_releases_percent": 11.39
  },
  "schema_version": 2,
  "manifest_ref": "reproduction:cross-domain-kd",
  "evaluation_protocol": {
    "tier": "l2_public_dataset",
    "seeds": [
      42,
      43,
      44
    ],
    "formal_comparison": true,
    "claim_policy": "formal multi-seed comparison"
  },
  "provenance": {
    "artifact_path": "docs/reproductions/2603.28994-cross-domain-kd/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"
  }
}