Table 3. Comparison with other systems.

Method of authors	Precision	Recall	F-score	TP	FP	FN
Our system	88.1%	92.3%	90.1%	723	98	62
Wermter et al., 2009[5]	87.8%	85.0%	86.4%	668	76	118
Hakenberg et al., 2008[11]	90.7%	82.4%	86.4%	647	66	138
Hu et al., 2012[12]	83.5%	82.5%	83.0%	648	128	137