Paper: Employing the Centering Theory in Pronoun Resolution from the Semantic Perspective

ACL ID D09-1103
Title Employing the Centering Theory in Pronoun Resolution from the Semantic Perspective
Venue Conference on Empirical Methods in Natural Language Processing
Session Main Conference
Year 2009
Authors

In this paper, we employ the centering the- ory in pronoun resolution from the seman- tic perspective. First, diverse semantic role features with regard to different predicates in a sentence are explored. Moreover, given a pronominal anaphor, its relative ranking among all the pronouns in a sentence, ac- cording to relevant semantic role informa- tion and its surface position, is incorporated. In particular, the use of both the semantic role features and the relative pronominal ranking feature in pronoun resolution is guided by extending the centering theory from the grammatical level to the semantic level in tracking the local discourse focus. Finally, detailed pronominal subcategory features are incorporated to enhance the discriminative power of both the semantic role fea...