Extracting and modelling preferences from dialogue

Authors:
Nicholas Asher;Elise Bonzon;Alex Lascarides
Affiliations:
IRIT, CNRS, Université Paul Sabatier, Toulouse Cedex 4, France;LIPADE, Université Paris Descartes, Paris, France;School of Informatics, University of Edinburgh, Edinburgh, Scotland, UK
Venue:
IPMU'10 Proceedings of the Computational intelligence for knowledge-based systems design, and 13th international conference on Information processing and management of uncertainty
Year:
2010

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Abstract

Dialogue moves influence and are influenced by the agents' preferences. We propose a method for modelling this interaction. We motivate and describe a recursive method for calculating the preferences that are expressed, sometimes indirectly, through the speech acts performed. These yield partial CP-nets, which provide a compact and efficient method for computing how preferences influence each other. Our study of 100 dialogues in the Verbmobil corpus can be seen as a partial vindication of using CP-nets to represent preferences.