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Table 4 NER performance comparison of top systems on the JNLPBA 2004 data

From: NERBio: using selected word conjunctions, term normalization, and global patterns to improve biomedical named entity recognition

System

Model

Precision (%)

Recall (%)

F-score (%)

NERBio

CRF

72.01

73.98

72.98

[12]

HMM

69.40

75.98

72.55

[13]

MEMM

68.60

71.60

70.10

[10]

CRF

69.30

70.30

69.80