Corpus-based development and evaluation of a system for processing definite descriptions

Authors:
Renata Vieira;Massimo Poesio
Affiliations:
Universidade do Vale do Rio dos Sinos, São Leopoldo RS, Brazil;University of Edinburgh, HCRC and Informatics, Edinburgh, Scotland
Venue:
COLING '00 Proceedings of the 18th conference on Computational linguistics - Volume 2
Year:
2000

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Abstract

We present an implemented system for processing definite descriptions. The system is based on the results of a corpus analysis previously reported, which showed how common discourse-new descriptions are in newspaper corpora, and identified several problems to be dealt with when developing computational methods for interpreting bridging descriptions. The annotated corpus produced in this earlier work was used to extensively evaluate the proposed techniques for matching definite descriptions with their antecedents, discourse segmentation, recognizing discourse-new descriptions, and suggesting anchors for bridging descriptions.