Table 3 Performance Comparison with Baselines on 2006 Collection.
From: Learning to rank diversified results for biomedical information retrieval from multiple features
| MAP | Aspect | Passage | Document |
|---|---|---|---|
| BM25 | 0.1972 | 0.0362 | 0.3449 |
| DirKL | 0.1591 | 0.0360 | 0.3566 |
| gLTR | 0.2292 | 0.0369 | 0.3547 |
| LTR |
0.2400
(+4.7%) |
0.0416
(+12.7%) |
0.3910
(+10.23%) |