{
  "model": "LightGBM LambdaRank V4",
  "features": [
    "candidate_num_cited_by",
    "candidate_num_references",
    "survey_num_references",
    "co_citation_count",
    "bibliographic_coupling",
    "jaccard_refs",
    "adamic_adar",
    "n_surveys_citing",
    "n_total_citations",
    "cited_by_survey_refs",
    "candidate_cites_survey_refs",
    "shared_citers_with_survey",
    "hub_score",
    "authority_score",
    "authority_ratio",
    "citation_asymmetry",
    "year_diff",
    "is_newer",
    "clustering_coeff",
    "common_neighbors_normalized",
    "preferential_attachment",
    "resource_allocation",
    "centrality_in_survey_subgraph",
    "indirect_citation_strength",
    "citation_depth"
  ],
  "num_features": 25,
  "best_iteration": 1,
  "train_metrics": {
    "ndcg@10": 0.945946057277316,
    "hard_neg_auc": 0.7782199203149744,
    "mrr": 0.9020263972424466
  },
  "feature_importance": [
    {
      "feature": "n_surveys_citing",
      "importance": 1405.8176836669445
    },
    {
      "feature": "is_newer",
      "importance": 28.071730136871338
    },
    {
      "feature": "hub_score",
      "importance": 24.737838745117188
    },
    {
      "feature": "cited_by_survey_refs",
      "importance": 19.119629859924316
    },
    {
      "feature": "year_diff",
      "importance": 15.386948198080063
    },
    {
      "feature": "survey_num_references",
      "importance": 13.789052933454514
    },
    {
      "feature": "preferential_attachment",
      "importance": 13.501449078321457
    },
    {
      "feature": "clustering_coeff",
      "importance": 10.019370973110199
    },
    {
      "feature": "authority_score",
      "importance": 8.070955008268356
    },
    {
      "feature": "candidate_num_cited_by",
      "importance": 7.871390104293823
    },
    {
      "feature": "resource_allocation",
      "importance": 5.227717876434326
    },
    {
      "feature": "adamic_adar",
      "importance": 5.04240494966507
    },
    {
      "feature": "citation_depth",
      "importance": 3.947459876537323
    },
    {
      "feature": "co_citation_count",
      "importance": 1.970870018005371
    },
    {
      "feature": "citation_asymmetry",
      "importance": 1.3012259900569916
    },
    {
      "feature": "candidate_num_references",
      "importance": 0.0
    },
    {
      "feature": "bibliographic_coupling",
      "importance": 0.0
    },
    {
      "feature": "jaccard_refs",
      "importance": 0.0
    },
    {
      "feature": "n_total_citations",
      "importance": 0.0
    },
    {
      "feature": "candidate_cites_survey_refs",
      "importance": 0.0
    },
    {
      "feature": "shared_citers_with_survey",
      "importance": 0.0
    },
    {
      "feature": "authority_ratio",
      "importance": 0.0
    },
    {
      "feature": "common_neighbors_normalized",
      "importance": 0.0
    },
    {
      "feature": "centrality_in_survey_subgraph",
      "importance": 0.0
    },
    {
      "feature": "indirect_citation_strength",
      "importance": 0.0
    }
  ]
}