Feature Engineering for Drug Name Recognition in Biomedical Texts: Feature Conjunction and Feature Selection

Table 5

Detailed comparisons between WBI and our system (%).

	WBI			Our system
	Strict	73.40	69.80	71.50	88.37	72.01		79.36	+7.86
Exact	85.50	81.30	83.30	93.38	76.09	83.85	+0.55
Type	76.70	73.00	74.80	91.41	74.49	82.09	+7.29
Partial	87.70	83.50	85.60	95.08	77.48	85.38	−0.22
Drug (strict)	73.60	85.20	79.00	93.35	88.03	90.61	+11.61
Brand (strict)	81.00	86.40	83.60	100.0	94.92	97.39	+13.79
Group (strict)	79.20	76.10	77.60	90.15	76.77	82.92	+5.32
No-human (strict)	31.40	9.10	14.10	90.91	8.26	15.14	+1.04