Simultaneous dialogue act segmentation and labelling using lexical and syntactic features

Authors:
Ramon Granell;Stephen Pulman;Carlos-D. Martínez-Hinarejos
Affiliations:
Oxford University Computing Laboratory, Oxford, England;Oxford University Computing Laboratory, Oxford, England;Universidad Politécnica de Valencia, Valencia, Spain
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

Segmentation of utterances and annotation as dialogue acts can be helpful for several modules of dialogue systems. In this work, we study a statistical machine learning model to perform these tasks simultaneously using lexical features and incorporating deterministic syntactic restrictions. There is a slight improvement in both segmentation and labelling due to these restrictions.