Table 16.

Best results for Q.E. combinations

Best combinations	DOC. MAP
Baseline (Indri)	0.2571
Previous study	0.2906
Feedback T.N. = 40 & MetaMap T.N. = 3	0.2901
Feedback T.N. =40 & PubMed T.N. =10	0.3113
Feedback T.N. = 40 & M.F.T. T.N. = 20	0.3001
M.F.T. T.N. = 20 & MetaMap T.N. = 3	0.2755
M.F.T. T.N. = 20 & PubMed T.N. = 5	0.2886
PubMed T.N. = 5 & MetaMap T.N. = 3	0.2484