Table 10.

Performance comparison with or without including general terms

Headword	Original evaluation			General terms excluded
	Pattern 1	Pattern 2	Pattern 3	Pattern 1	Pattern 2	Pattern 3
Gene	91.0%	76.7%	90.0%	90.0%	73.0%	88.0%
Protein	91.0%	93.0%	91.0%	90.0%	89.0%	85.0%
Disease	93.9%	97.9%	99.0%	93.9%	96.4%	99.0%
Cell	95.2%	98.4%	95.0%	95.2%	71.4%	88.8%
Cells	97.4%	96.7%	98.6%	96.4%	90.0%	95.7%

“General” indicates a term is valid, but the meaning is too general and not useful for enriching SemCat. Scores are the precisions averaged from three reviewers.