reflexive) can be ignored due to their much less frequent occur-rence in the corpus.
the centeringmotivated features improve the performance on the major three pronoun subcategories of third person / neuter / first person, by 8.3(>>>)/6.8(>>>)/9.0(>>>), 0.9(>>)/ 2.6 (>>>)/11.1(>>>) and 4.7(>>>)/8.1(>>>)/9.0 (>>>), on the NWIRE, NPAPER and BNEWS domains of the ACE 2003 corpus, respectively.