Anchoring a Lexicalized Tree-Adjoining Grammar for Discourse

Bonnie Lynn Webber, Aravind K. Joshi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We here explore a "fully" lexicalized Tree-Adjoining Grammar for discourse that takes the basic elements of a (monologic) discourse to be not simply clauses, but larger structures that are anchored on variously realized discourse cues. This link with intra-sentential grammar suggests an account for different patterns of discourse cues, while the different structures and operations suggest three separate sources for elements of discourse meaning: (1) a compositional semantics tied to the basic trees and operations; (2) a presuppositional semantics carried by cue phrases that freely adjoin to trees; and (3) general inference, that draws additional, defeasible conclusions that flesh out what is conveyed compositionally.
Original languageEnglish
Title of host publicationProceedings of the Workshop Discourse Relations and Discourse Markers
EditorsManfred Stede, Leo Wanner, Eduard Hovy
PublisherAssociation for Computational Linguistics
Pages86 - 92
Number of pages7
Publication statusPublished - Aug 1998
EventDiscourse Relations and Discourse Markers Workshop - Université de Montréal, Montreal, Quebec, Canada
Duration: 15 Aug 199816 Aug 1998

Workshop

WorkshopDiscourse Relations and Discourse Markers Workshop
Country/TerritoryCanada
CityMontreal, Quebec
Period15/08/9816/08/98

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