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Table 2 Q.E. using M.F.T., T.N. = (5–30)

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

5

0.2549

0.0681

0.1867

0.0826

10

0.2574

0.0681

0.1782

0.0870

15

0.2707

0.0711

0.1788

0.0929

20

0.2720

0.0716

0.1767

0.0939

25

0.2658

0.0670

0.1703

0.0898

30

0.2536

0.0645

0.1509

0.0864

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BMC Bioinformatics

ISSN: 1471-2105

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