{
  "paper": "2508.01375 SaviorRec",
  "dataset": "MovieLens-100K genres and chronological co-interactions",
  "protocol": {
    "seeds": [
      42,
      43,
      44
    ],
    "encoder_steps": 160,
    "ranker_steps": 180,
    "semantic_codebooks": 3,
    "codebook_size": 16,
    "cold_definition": "bottom quartile of training candidate frequency"
  },
  "per_seed": {
    "42": {
      "content_auc": 0.6063662,
      "content_cold_auc": 0.460114,
      "saviorrec_auc": 0.6003782,
      "saviorrec_cold_auc": 0.4045584,
      "mba_l2": 0.8774644
    },
    "43": {
      "content_auc": 0.5706413,
      "content_cold_auc": 0.3924501,
      "saviorrec_auc": 0.6041437,
      "saviorrec_cold_auc": 0.6039886,
      "mba_l2": 0.8039667
    },
    "44": {
      "content_auc": 0.5833535,
      "content_cold_auc": 0.5270655,
      "saviorrec_auc": 0.5832463,
      "saviorrec_cold_auc": 0.4665242,
      "mba_l2": 0.8701724
    }
  },
  "aggregate": {
    "content_auc_mean": 0.586787,
    "content_auc_std": 0.014785,
    "saviorrec_auc_mean": 0.595923,
    "saviorrec_auc_std": 0.009095,
    "content_cold_auc_mean": 0.459877,
    "content_cold_auc_std": 0.054957,
    "saviorrec_cold_auc_mean": 0.49169,
    "saviorrec_cold_auc_std": 0.083339,
    "auc_relative_percent": 1.5569,
    "cold_auc_relative_percent": 6.9181,
    "positive_auc_seeds": 1,
    "positive_cold_auc_seeds": 1
  },
  "schema_version": 2,
  "manifest_ref": "reproduction:saviorrec",
  "evaluation_protocol": {
    "tier": "l2_public_dataset",
    "seeds": [
      42,
      43,
      44
    ],
    "formal_comparison": true,
    "claim_policy": "formal multi-seed comparison"
  },
  "provenance": {
    "artifact_path": "docs/reproductions/2508.01375-saviorrec/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"
  }
}