Cascaded lexicalised classifiers for second-person reference resolution

Authors:
Matthew Purver;Raquel Fernández;Matthew Frampton;Stanley Peters
Affiliations:
Queen Mary University of London, London, UK;University of Amsterdam, Amsterdam, Netherlands;Stanford University, Stanford, CA;Stanford University, Stanford, CA
Venue:
SIGDIAL '09 Proceedings of the SIGDIAL 2009 Conference: The 10th Annual Meeting of the Special Interest Group on Discourse and Dialogue
Year:
2009

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Abstract

This paper examines the resolution of the second person English pronoun you in multi-party dialogue. Following previous work, we attempt to classify instances as generic or referential, and in the latter case identify the singular or plural addressee. We show that accuracy and robustness can be improved by use of simple lexical features, capturing the intuition that different uses and addressees are associated with different vocabularies; and we show that there is an advantage to treating referentiality and addressee identification as separate (but connected) problems.