Table 5.

Sentence-level results.

Sentencesa	Total in gold standard (number of sentences)b	Evaluation
		Precision	Recall	F-measure	Specificity
A1a	120	0.97	0.59	0.74	1.00
A1b	90	0.68	0.30	0.42	1.00
A1c	35	0.78	0.20	0.32	1.00
A1d	158	0.63	0.28	0.39	1.00
A2a	391	0.71	0.45	0.55	0.99
A2b	329	0.83	0.47	0.60	1.00
A2c	121	0.67	0.37	0.48	1.00
A2d	65	0.83	0.58	0.68	1.00
A3a	61	0.73	0.36	0.48	1.00
A3b	123	0.74	0.52	0.61	1.00
A3c	64	0.82	0.42	0.56	1.00
A3d	28	0.53	0.29	0.37	1.00
Microaverage	1585	0.76	0.43	0.55	1.00
Any Rule	1357	0.82	0.46	0.59	0.97

^aBased on 6634 sentences.

^bSentences with annotations =1357.