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Table 5 Performance Comparison with TREC 2006 Submissions.

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

MAP Aspect Passage Document
Max 0.4411 0.1486 0.5439
Min 0.011 0.0007 0.0198
Median 0.1581 0.0345 0.3083
gLTR 0.2292 0.0369 0.3547
LTR 0.2400 0.0416 0.3910