Paper: Analysis Of Syntax-Based Pronoun Resolution Methods

ACL ID P99-1079
Title Analysis Of Syntax-Based Pronoun Resolution Methods
Venue Annual Meeting of the Association of Computational Linguistics
Session Main Conference
Year 1999
Authors

This paper presents a pronoun resolution algo- rithm that adheres to the constraints and rules of Centering Theory (Grosz et al. , 1995) and is an alternative to Brennan et al.'s 1987 algo- rithm. The advantages of this new model, the Left-Right Centering Algorithm (LRC), lie in its incremental processing of utterances and in its low computational overhead. The algorithm is compared with three other pronoun resolu- tion methods: Hobbs' syntax-based algorithm, Strube's S-list approach, and the BFP Center- ing algorithm. All four methods were imple- mented in a system and tested on an annotated subset of the Treebank corpus consisting of 2026 pronouns. The noteworthy results were that Hobbs and LRC performed the best.