Table 9.

Comparison of similarity approaches.

Methods	Pearson correlation coefficient (0.0-1.0)
Jaccard similarity	0.56
Cosine similarity (Count Vectorizer)	0.54
GloVe Embedding	0.43
Word2Vec (Google)	0.38
fastText (Facebook)	0.52
Jaccard Similarity after semantic enrichment (JS2E)	0.61