{
  "paper": "2605.21832",
  "adapter": "fluid",
  "dataset": {
    "name": "MovieLens 100K",
    "users": 220,
    "items": 360
  },
  "setup": {
    "seed": 42,
    "rq_levels": 3,
    "slice_views": 4,
    "candidate_item_id_in_final_model": false
  },
  "baseline": {
    "name": "ID ranker",
    "hit_at_10": 0.1090909091,
    "ndcg_at_10": 0.0540054678,
    "fresh_hit_at_10": 0.0317460317,
    "head_share_at_10": 0.2377272727
  },
  "method": {
    "name": "FLUID ID-free late fusion",
    "hit_at_10": 0.0772727273,
    "ndcg_at_10": 0.0428635187,
    "fresh_hit_at_10": 0.0634920635,
    "head_share_at_10": 0.0990909091
  },
  "relative": {
    "hit_at_10_percent": -29.1666667,
    "ndcg_at_10_percent": -20.63115,
    "fresh_hit_at_10_percent": 100.0,
    "head_share_at_10_percent": -58.3173996
  },
  "paper_online_ab": {
    "quality_watch_duration_percent": 0.55,
    "cold_start_room_views_percent": 2.05,
    "active_hours_percent": 0.05
  },
  "schema_version": 2,
  "manifest_ref": "reproduction:fluid",
  "evaluation_protocol": {
    "tier": "l2_public_dataset",
    "seeds": [
      42
    ],
    "formal_comparison": false,
    "claim_policy": "single/few-seed smoke result; do not claim a stable improvement"
  },
  "provenance": {
    "artifact_path": "docs/reproductions/2605.21832-fluid/metrics/movielens-100k-seed42.json",
    "historical_migration": "historical-metrics-v2-2026-08-09",
    "original_code_commit": "not recorded",
    "dataset_fingerprint": "not recorded in historical artifact"
  }
}