Table 9.

Results of lexical anchors

Matching task		Type I	Type II	Total
MA-NCI	Correct	1,164	114	1,278
	Incorrect	60	59	119
	Total	1,224	173	1,397
	Precision	0.951	0.659	0.915
	Recall			0.843
	F-Measure			0.877
FMA-NCI	Correct	2,416	63	2,479
	Unknown	248	4	252
	Incorrect	95	67	162
	Total	2,759	134	2,893
	Precision	0.962	0.485	0.939
	Recall			0.923
	F-Measure			0.931
FMA-SNOMED	Correct	4,563	281	4,844
	Unknown	2,379	98	2,477
	Incorrect	177	186	363
	Total	7,119	565	7,684
	Precision	0.963	0.601	0.930
	Recall			0.804
	F-Measure			0.862
SNOMED-NCI	Correct	10,618	1,076	11,694
	Unknown	725	43	768
	Incorrect	734	565	1,299
	Total	12,077	1,684	13,761
	Precision	0.935	0.656	0.900
	Recall			0.679
	F-Measure			0.774