An Automatic Source Code Vulnerability Detection Approach Based on KELM

Table 6

Effectiveness of word2vec compared with doc2vec.

Sample	Tool	Vector dimension	Cosine (BE-ALL)	Cosine (HY-ALL)
1 and 2	word2vec	2500	0.832	0.828
	doc2vec	250	0.642	0.639
3 and 4	word2vec	2500	0.482	0.514
	doc2vec	250	0.586	0.578