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Table 8 Comparison with Re-Ranking Method on 2007 Collection.

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

MAP

Aspect

Passage

Passage2

Document

Re-Rank

0.1642

0.0651

0.0679

0.2116

LTR

0.1923

0.0784

0.0831

0.2721