A Low-Cost Named Entity Recognition Research Based on Active Learning

Table 8

The recognition effect of 5 categories in legal field.

Model	Category		R	F
AL-CRF	Charge (C)	0.9713	0.9801	0.9757
	Penalty (P)	0.8727	0.8943	0.8834
	Legal principle (LP)	0.8062	0.8331	0.8194
	Legal concept (LC)	0.8898	0.9187	0.9041
	Law (L)	0.9765	0.9784	0.9774
CRF	Charge (C)	0.9672	0.9706	0.9689
	Penalty (P)	0.8583	0.8754	0.8668
	Legal principle (LP)	0.7926	0.8118	0.8021
	Legal concept (LC)	0.8547	0.8774	0.8659
	Law (L)	0.9718	0.9735	0.9726