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Table 2 Performance comparison by using BioNLP/NLPBA 2004 corpus

From: Comparison of named entity recognition methodologies in biomedical documents

System	Methodology	F1 score (%)
Our system	CRF
	Base line	71.09
	Word2vec	72.82
	Glove	72.74
	CCA	72.73
	RNN
	Jordan	60.75
	Elman	58.80
Zhou and Su [54]	HMM, SVM	72.55
Song et al. [9]	SVM, CRF	66.28
Ponomareva et al. [55]	HMM	65.7
Saha et al. [29]	Maximum entropy	67.41

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ISSN: 1475-925X

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