Exploiting and integrating rich features for biological literature classification

BMC Bioinformatics

Table 10 Statistical Significance Test (s-test).

	*String Vs. Unigram+Bigram*	TFML Vs. TF*IDF*	*KeyBT Template Vs. Unigram+Bigram*
*p value*	0.015	0.012	0.0188
	*Feature Level Integration Vs. Unigram+Bigram*		*Classifier Level Integration Vs. Unigram+Bigram*
*p value*	0.0026		0.0010

The null hypothesis is that the performance of two methods is the same; the alternative hypothesis is that the former is better than the latter.

ISSN: 1471-2105