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Table 1 Descriptive statistics of Yang et al.’s coreference corpus [28]

From: Coreference annotation and resolution in the Colorado Richly Annotated Full Text (CRAFT) corpus of biomedical journal articles

  Total number Percentage
Anaphoric markable   
Noun phrase 3561 29.1%
Pronoun 131 1%
Non-anaphoric markable   
Noun phrase 8272 67.6%
Pronoun 259 2.1%