Proceedings of the SIGDIAL 2009 Conference on the 10th Annual Meeting of the Special Interest Group on Discourse and Dialogue - 2009
DOI: 10.3115/1708376.1708427
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Unsupervised classification of dialogue acts using a dirichlet process mixture model

Abstract: In recent years Dialogue Acts have become a popular means of modelling the communicative intentions of human and machine utterances in many modern dialogue systems. Many of these systems rely heavily on the availability of dialogue corpora that have been annotated with Dialogue Act labels. The manual annotation of dialogue corpora is both tedious and expensive. Consequently, there is a growing interest in unsupervised systems that are capable of automating the annotation process. This paper investigates the us… Show more

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Cited by 29 publications
(17 citation statements)
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“…Hence, the authors of [25] propose a predictive paradigm where dialogue act models are first trained on a small-size corpus and used afterwards to predict future sentences or dialogue acts. In a related vein, unsupervised dialogue act tagging of unlabelled text has recently raised a lot of attention [26,27], but we will limit ourselves in the following on supervised approaches.…”
Section: Related Workmentioning
confidence: 99%
“…Hence, the authors of [25] propose a predictive paradigm where dialogue act models are first trained on a small-size corpus and used afterwards to predict future sentences or dialogue acts. In a related vein, unsupervised dialogue act tagging of unlabelled text has recently raised a lot of attention [26,27], but we will limit ourselves in the following on supervised approaches.…”
Section: Related Workmentioning
confidence: 99%
“…By contrast, unsupervised methods operate only on the observable signal (e.g. words) and are estimated without labels or their attendant limitations (Crook et al, 2009). They are particularly relevant because conversation is a temporal process where models are trained to infer a latent state which evolves as the dialogue progresses (Bangalore et al, 2006;Traum and Larsson, 2003).…”
Section: Introductionmentioning
confidence: 99%
“…To overcome these drawbacks, the field has recently seen growing momentum surrounding unsupervised approaches, which do not require any manual labels during model training (Crook et al, 2009;Joty et al, 2011;Lee et al, 2013). A variety of unsupervised machine learning techniques have been investigated for dialogue act classification, and each line of investigation has explored which features best support this goal.…”
Section: Introductionmentioning
confidence: 99%
“…The task of automatic dialogue act classification has been extensively studied for decades within several domains including train fares and timetables (Allen et al, 1995;Core and Allen, 1997;Crook et al, 2009;Traum, 1999), virtual personal assistants (Chen and Di Eugenio, 2013), conversational telephone speech (Stolcke et al, 2000), Wikipedia talk pages (Ferschke et al, 2012) and as in the case of this paper, tutorial dialogue (Serafin and Di Eugenio, 2004;Forbes-Riley and Litman, 2005;Boyer et al, 2011;Dzikovska et al, 2013).…”
Section: Introductionmentioning
confidence: 99%