{
  "model": "V6b",
  "description": "V1 features + cross-survey authority labels. Zero-change drop-in.",
  "eval_new_labels": {
    "ndcg@10": 0.8083254312407216,
    "hard_neg_auc": 0.9643726042235736,
    "mrr": 0.046703296703296704
  },
  "eval_old_labels": {
    "ndcg@10": 0.8025014423620837,
    "hard_neg_auc": 0.9643726042235736
  },
  "v1_original": {
    "ndcg@10": 0.879
  },
  "feature_importance": [
    {
      "feature": "candidate_num_cited_by",
      "importance": 95714.38218975067
    },
    {
      "feature": "age_ratio",
      "importance": 11212.892765045166
    },
    {
      "feature": "candidate_position",
      "importance": 10694.238535404205
    },
    {
      "feature": "cosine_x_citations",
      "importance": 3525.602966427803
    },
    {
      "feature": "citation_count_ratio",
      "importance": 2628.3409717082977
    },
    {
      "feature": "qdrant_cosine_score",
      "importance": 2256.924142599106
    },
    {
      "feature": "candidate_citation_count",
      "importance": 2081.045948266983
    },
    {
      "feature": "query_age_days",
      "importance": 1836.5924948453903
    },
    {
      "feature": "query_num_references",
      "importance": 1812.8741285800934
    },
    {
      "feature": "cosine_x_cocitation",
      "importance": 1725.9124801158905
    },
    {
      "feature": "query_citation_count",
      "importance": 1723.7410662174225
    },
    {
      "feature": "position_inverse",
      "importance": 1549.5409333705902
    },
    {
      "feature": "candidate_influential_citations",
      "importance": 1375.8269906044006
    },
    {
      "feature": "category_x_recency",
      "importance": 1370.5971972942352
    },
    {
      "feature": "candidate_citations_per_year",
      "importance": 1212.376704454422
    },
    {
      "feature": "shared_author_count",
      "importance": 1143.5533628463745
    },
    {
      "feature": "candidate_is_newer",
      "importance": 1096.4675076007843
    },
    {
      "feature": "citations_x_recency",
      "importance": 921.4295499324799
    },
    {
      "feature": "candidate_age_days",
      "importance": 727.1201193332672
    },
    {
      "feature": "co_citation_count",
      "importance": 693.6392021179199
    },
    {
      "feature": "year_diff",
      "importance": 670.5385792255402
    },
    {
      "feature": "candidate_recency_score",
      "importance": 581.3697993755341
    },
    {
      "feature": "cosine_x_recency",
      "importance": 509.9122312068939
    },
    {
      "feature": "query_log_citations",
      "importance": 381.1057994365692
    },
    {
      "feature": "candidate_log_citations",
      "importance": 308.49161076545715
    },
    {
      "feature": "same_primary_category",
      "importance": 280.09327006340027
    }
  ],
  "deployment": "Replace reranker_v1.txt with reranker_v6.txt. No code changes."
}