A Depth Evidence Score Fusion Algorithm for Chinese Medical Intelligence Question Answering System

Table 3

Accuracy comparison of different system algorithms.

System	Feature algorithm (%)	Precision (%)	Recall (%)	F-measure (%)
WSESA	PTM	73.7	91.8	81.7
	S-B	81.4	90.4	85.7
	TA	75.3	84.9	79.8
	LFACS	86.2	57.5	69.0
PFEGA	Lexical features	57.2	62.4	59.68
	Syntactic features	63.7	79.8	70.84
	Semantic features	71.8	84.6	77.67
	Structural features	68.6	82.2	74.78
DTSFA	Frequency	76.8	92.7	84.0
	Order	74.5	82.3	78.21
	TF-IDF	83.4	75.1	79.03
	Syntax	85.8	88.7	87.23
	Structure	72.3	83.4	77.46
	Semantics	80.6	77.2	78.86