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Best results for different Q.E.
| Expansions with different parameters | DOC. MAP |
|---|---|
| Baseline (Indri) | 0.2571 |
| Previous study | 0.2906 |
| Feedback D.N. = 5 | 0.2866 |
| Feedback T.N. =40 | 0.2980 |
| Feedback Weight = 0.7 | 0.2974 |
| M.F.T. D.N. = 20 | 0.2729 |
| M.F.T. T.N. = 20 | 0.2720 |
| MetaMap Thesaurus T.N. = 3 | 0.1611 |
| MetaMap Thesaurus Unordered T.N. | 0.1554 |
| PubMed Dictionary T.N. = 10 | 0.2014 |
| PubMed Dictionary T.N. = 5 | 0.2199 |
