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Prosodic Correlates of Rhetorical Relations

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http://aclweb.org/anthology/W06-3401
Original languageEnglish
Title of host publicationProceedings of the Analyzing Conversations in Text and Speech (ACTS), Proceedings of the Workshop
Subtitle of host publicationHLT/NAACL 06
PublisherACL Anthology
Pages1-7
Number of pages8
Publication statusPublished - 1 Jun 2006

Abstract

This paper investigates the usefulness of prosodic features in classifying rhetorical relations between utterances in meeting recordings. Five rhetorical relations of contrast, elaboration, summary, question and cause are explored. Three training methods - supervised, unsupervised, and combined - are compared, and classification is carried out using support vector machines. The results of this pilot study are encouraging but mixed, with pairwise classification achieving an average of 68% accuracy in discerning between relation pairs using only prosodic features, but multi-class classification performing only slightly better than chance.

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