| { |
| "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 |
| } |
| ] |
| } |