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Table 3 The CDI and CEM results on the CHEMDNER development set with the finer tokenization.

From: Enhancing of chemical compound and drug name recognition using representative tag scheme and fine-grained tokenization

Config CDI CEM
  P (%) R (%) F (%) P (%) R (%) F (%)
IOBf 83.24 81.01 82.11 83.68 77.25 80.33
IOBEf 83.37 81.13 82.23 83.71 77.31 80.38
IOBESf 83.96 81.57 82.75 84.08 77.87 80.85
IOB12Ef 54.31 56.14 55.21 57.17 58.88 58.01