In a small portion of the corpus (6.7%), all coreference links were annotated.
the size of the annotated data (3,115 personal pronouns 1 , 2,198 possessive pronouns, 928 demonstrative pronouns) compares favourably with the size of evaluation data in other proposals (619 German pronouns in (Strube and Hahn, 1999), 2,477 English pronouns in (Ge et al., 1998), about 5,400 English coreferential expressions in (Ng and Cardie, 2002)).