{
  "paper": {
    "title": "Multimedia Asset Personalization"
  },
  "dataset": {
    "name": "MovieLens 100K",
    "users": 220,
    "items": 360
  },
  "setup": {
    "adapter": "netflix-mediafm",
    "same_split_and_candidates": true
  },
  "baseline": {
    "name": "shared transition + content baseline",
    "hit_at_10": 0.10909090909090909,
    "ndcg_at_10": 0.05400546778896325,
    "fresh_hit_at_10": 0.031746031746031744,
    "head_share_at_10": 0.23772727272727273
  },
  "method": {
    "name": "Multimedia Asset Personalization",
    "hit_at_10": 0.1,
    "ndcg_at_10": 0.04886534412097688,
    "fresh_hit_at_10": 0.031746031746031744,
    "head_share_at_10": 0.2009090909090909
  },
  "relative": {
    "hit_at_10_percent": -8.333333333333325,
    "ndcg_at_10_percent": -9.517783806766369,
    "fresh_hit_at_10_percent": 0.0,
    "head_share_at_10_percent": -15.487571701720848
  },
  "stages": {
    "mechanism": {
      "mode": "mediafm",
      "fitted": true,
      "state_keys": [
        "align",
        "domain_eye",
        "fitted",
        "semantic"
      ]
    },
    "validation_selected_alpha": 0.1,
    "validation": {
      "hit_at_10": 0.1409090909090909,
      "ndcg_at_10": 0.06661335694316348,
      "fresh_hit_at_10": 0.10526315789473684,
      "head_share_at_10": 0.2059090909090909
    }
  },
  "paper_results": {
    "search_playthrough_percent": 0.36,
    "unified_clip_discovery_percent": 0.127,
    "mediafm_streaming_percent": 0.193
  },
  "scope": "在 MovieLens-100K 固定全库候选、相同切分和 seed 上执行论文核心机制；公司私有特征、生产基础模型与在线流量不可公开，论文 A/B 数字仅作原文引用。",
  "schema_version": 2,
  "manifest_ref": "reproduction:netflix-mediafm",
  "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/2608.18322-netflix-mediafm/metrics/public-seed42.json",
    "historical_migration": "historical-metrics-v2-2026-08-09",
    "original_code_commit": "not recorded",
    "dataset_fingerprint": "not recorded in historical artifact"
  }
}