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Table 1 Named Entity Types

From: Cascaded classifiers for confidence-based chemical named entity recognition

Type

Description

Example

n Ch

n PM

CM

compound

citric acid

6865

4494

RN

reaction

methylation

288

401

CJ

adjective

pyrazolic

60

87

ASE

enzyme

demethylase

31

181

CPR

prefix

1,3-

53

21

  1. n Ch = number in Chemistry corpus, n PM = number in PubMed corpus.