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Table 3 Anaphor types in descending order of percentage measured on the training data set

From: Improving protein coreference resolution by simple semantic classification

Type

Percentage

Number

Examples

Possessive pronoun

25.3

222

its, their

Relative pronoun

18.6

163

that, which

Demonstrative noun phrase

15.2

133

these genes

Demonstrative pronoun

13.6

119

this, those

The- definite noun phrase

10.9

96

the protein,this factor

Personal pronoun

9.6

84

it, they, them

Other definite noun phrase

2.2

19

both-NP

Indefinite noun phrase

1.6

14

a factor

Proper name

1.5

13

IL-2

Other pronoun

0.8

7

both, either

Reflexive pronoun

0.8

7

itself

Total

 

877

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