Paper: A Centering Approach To Pronouns

ACL ID P87-1022
Title A Centering Approach To Pronouns
Venue Annual Meeting of the Association of Computational Linguistics
Session Main Conference
Year 1987
Authors

In this paper we present a formalization of the center- ing approach to modeling attentional structure in dis- course and use it as the basis for an algorithm to track discourse context and bind pronouns. As described in [GJW86], the process of centering attention on en- tities in the discourse gives rise to the intersentential transitional states of continuing, re~aining and shift- ing. We propose an extension to these states which handles some additional cases of multiple ambiguous pronouns. The algorithm has been implemented in an HPSG natural language system which serves as the interface to a database query application.