Skip to main content

Table 4 Performance Comparison with Baselines on 2007 Collection.

From: Learning to rank diversified results for biomedical information retrieval from multiple features

MAP Aspect Passage Passage2 Document
BM25 0.1622 0.0651 0.0697 0.2402
DirKL 0.1383 0.0693 0.0637 0.2376
gLTR 0.1878 0.0533 0.0706 0.2179
LTR 0.1923
(+2.4%)
0.0784
(+47.1%)
0.0831
(+17.7%)
0.2721
(+24.9%)