Table 3

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

Nguyen et al.

Nguyen et al. BMC Bioinformatics 2012 13:304   doi:10.1186/1471-2105-13-304

Open Data