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Relating the semantics of dialogue acts to linguistic roperties: A machine learning perspective through lexical cues

Alex C. Fang, Harry Bunt, Jing Cao, Xiaoyue Liu

    Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

    Abstract

    This paper describes a corpus-based investigation of dialogue acts. In particular, it attempts to answer questions about the empirical distribution of dialogue acts and to what extent dialogue acts can be automatically predicted from their lexical features. The Switchboard Dialogue Act Corpus is adopted and the SWBD-DAMSL tags used for automatic prediction. We show that 60-70% of the dialogue acts can be predicted from lexical features alone depending on different levels of granularity. We also present a mapping from SWBDDAMSL tags to the tags of the new ISO standard for dialogue act annotation, as part of an ongoing investigation into the relationship between the structure and granularity of the tag set and classification accuracy. The paper concludes with discussions and suggestions for future work. © 2011 IEEE.
    Original languageEnglish
    Title of host publicationProceedings - 5th IEEE International Conference on Semantic Computing, ICSC 2011
    Pages490-497
    DOIs
    Publication statusPublished - 2011
    Event5th Annual IEEE International Conference on Semantic Computing, ICSC 2011 - Palo Alto, CA, United States
    Duration: 18 Sept 201121 Sept 2011

    Conference

    Conference5th Annual IEEE International Conference on Semantic Computing, ICSC 2011
    PlaceUnited States
    CityPalo Alto, CA
    Period18/09/1121/09/11

    Research Keywords

    • Automatic classification
    • Dialogue act
    • ISO dialogue annotation standard
    • SWBDDAMSL
    • Switchboard corpus

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