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Table 8 Expanding query by PubMed

From: Improving biomedical information retrieval by linear combinations of different query expansion techniques

MAP

DOC.

PASS.

ASP.

PASS2.

Baseline (Indri)

0.2571

0.0634

0.2008

0.0847

P.Q.E T.N. = 10

0.2014

0.0446

0.1522

0.0614

T.N. = 5

0.2199

0.0499

0.1701

0.0709