Study of Keyword Extraction Techniques for Electric Double-Layer Capacitor Domain Using Text Similarity Indexes: An Experimental Analysis

Table 2

Similarity scores calculated for different unsupervised keyword extraction techniques.

YAKE
	Jaccard	Cosine	Cosine with word vector
Positive sentence	0.10	0.20	0.83
All sentence	0.10	0.21	0.87
TopicRank
	Jaccard	Cosine	Cosine with word vector
Positive sentence	0.13	0.23	0.91
All sentence	0.11	0.19	0.90
MultipartiteRank
	Jaccard	Cosine	Cosine with word vector
Positive sentence	0.14	0.25	0.92
All sentence	0.14	0.25	0.91
KPMiner
	Jaccard	Cosine	Cosine with word vector
Positive sentence	0.10	0.19	0.88
All sentence	0.11	0.21	0.89