Wide-coverage semantic representations from a CCG parser

Authors:
Johan Bos;Stephen Clark;Mark Steedman;James R. Curran;Julia Hockenmaier
Affiliations:
University of Edinburgh;University of Edinburgh;University of Edinburgh;University of Sydney;University of Pennsylvania
Venue:
COLING '04 Proceedings of the 20th international conference on Computational Linguistics
Year:
2004

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Abstract

This paper shows how to construct semantic representations from the derivations produced by a wide-coverage CCG parser. Unlike the dependency structures returned by the parser itself, these can be used directly for semantic interpretation. We demonstrate that well-formed semantic representations can be produced for over 97% of the sentences in unseen WSJ text. We believe this is a major step towards widecoverage semantic interpretation, one of the key objectives of the field of NLP.