Paper: Providing A Unified Account Of Definite Noun Phrases In Discourse

ACL ID P83-1007
Title Providing A Unified Account Of Definite Noun Phrases In Discourse
Venue Annual Meeting of the Association of Computational Linguistics
Session Main Conference
Year 1983
Authors

In Section 5 we define center more precisely, show how it relates to Sidner's [1981] immediate focus and potential loci, and discuss how the linkages established by the centers of a sentence help to determine the degree of intelligibility of a discourse. We begin by showing that the center cannot be defined in syntactic terms alone. The interaction of semantics and centering is more complex and is discussed in Section 4. The following examples, drawn from Reinhart [1982], illustrate the point that the notion of center is not syntactically definable, 4 i.e., the syntax of a sentence S does not determine which of its NPs realizes Cb(S). (The 2They differ in other respects also. Reichman [19811 a~d Grosz [19811 discuss some of these. 3Initial attempts to incorporate focusing mechanisms in gen...