{
  "paper": "2605.19651",
  "adapter": "mdcns",
  "fidelity": "core_mechanism",
  "dataset": "Amazon Beauty 5-core authors' split",
  "setup": {
    "seed": 42,
    "users": 2237,
    "items": 12102,
    "train_transitions": 50000,
    "epochs": 4,
    "candidate_pool": 30,
    "top_k": 5
  },
  "results": {
    "uniform": {
      "hit_at_10": 0.0035762181,
      "ndcg_at_10": 0.0030157092
    },
    "dns": {
      "hit_at_10": 0.0035762181,
      "ndcg_at_10": 0.0025068741
    },
    "mdcns": {
      "hit_at_10": 0.0080464908,
      "ndcg_at_10": 0.006174691
    }
  },
  "ndcg_gain_vs_uniform_percent": 104.7508783,
  "schema_version": 2,
  "manifest_ref": "reproduction:mdcns",
  "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/2605.19651-mdcns/metrics/amazon-beauty-seed42.json",
    "historical_migration": "historical-metrics-v2-2026-08-09",
    "original_code_commit": "not recorded",
    "dataset_fingerprint": "not recorded in historical artifact"
  }
}