Computer Science – Computation and Language
Scientific paper
1994-10-10
Association of Computational Linguistics 1987, p. 155-162
Computer Science
Computation and Language
plain latex but includes psfig.tex, 8 pages with one psfig, published in 25th Annual Meeting of the Association of Computation
Scientific paper
In this paper we present a formalization of the centering approach to modeling attentional structure in discourse and use it as the basis for an algorithm to track discourse context and bind pronouns. As described in Grosz, Joshi and Weinstein (1986), the process of centering attention on entities in the discourse gives rise to the intersentential transitional states of continuing, retaining and shifting. 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.
Brennan Susan E.
Friedman Marilyn Walker
Pollard Carl J.
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