| { |
| "protocol": "Final architecture lock after five disjoint 1000-query TRAIN folds. A parameter change is accepted only when it improves nDCG@10 on all five folds; DEV and TEST are not used for this final lock.", |
| "frozen_params": { |
| "preselection_eta": 1.0, |
| "preselection_idf_power": 1.0, |
| "P": 2000, |
| "gamma_tail": 0.25, |
| "lambda_M": 0.125, |
| "final_idf_power": 2.0, |
| "final_length_b": 0.1, |
| "coordination_alpha": 0.25, |
| "lambda_lex": 4.0, |
| "lambda_sem": 0.3, |
| "rare_topk": 3, |
| "rare_coverage_weight": 1.0, |
| "h": 0, |
| "S": 16 |
| }, |
| "remaining_train_sweeps": { |
| "length_coordination": "No change. Current b=0.1, alpha=0.25 had the highest five-fold mean nDCG@10 (0.1616578464).", |
| "final_weights": "No change. w_sem=0.5 increased mean by 0.00024547 but improved only 3/5 folds and had worst-fold delta -0.00036559; rejected.", |
| "rare_weight": "No change. top3 weight 1.25 increased mean by 0.00017519 but improved only 3/5 folds and had worst-fold delta -0.00024270; rejected." |
| }, |
| "test_policy": "test.tsv evaluated once after this lock; no post-test tuning." |
| } |
