Feature Reduction Based on Genetic Algorithm and Hybrid Model for Opinion Mining

Table 1

Description of multidomain dataset and movie review dataset (unigram).

Dataset	Number of stratified samples	Positive reviews	Negative reviews	Total attributes	Total attributes (weight by IG)	Total attributes (optimized selection)
						NB, LR, SVM	BSVM	BNB
Book	191	100	91	377	341	264	231	231
DVD	199	99	100	364	318	255	228	219
Electronics	200	100	100	274	209	192	169	175
Kitchen	190	99	91	207	193	145	123	131
Movie	200	100	100	1569	1568	1098	1069	958