A CCG-based Approach to Fine-Grained Sentiment Analysis in Microtext

Phillip Smith, M. Lee

    Research output: Chapter in Book/Report/Conference proceedingChapter

    3 Citations (Scopus)

    Abstract

    In this paper, we present a Combinatory Categorial Grammar (CCG) based approach to the classification of emotion in microtext. We develop a method that makes use of the notion put forward by Ortony, Clore, and Collins (1988), that emotions are valenced reactions. This hypothesis sits central to our system, in which we adapt contextual valence shifters to infer the emotional content of a text. We integrate this with an augmented version of WordNet-Affect, which acts as our lexicon. Finally, we experiment with a corpus of headlines proposed in the 2007 SemEval Affective Task (Strapparava and Mihalcea 2007) as our microtext corpus, and by taking the other competing systems as a baseline, demonstrate that our approach to emotion categorisation performs favourably.
    Original languageEnglish
    Title of host publicationPROCEEDINGS OF THE TWENTY-SEVENTH AAAI CONFERENCE ON ARTIFICIAL INTELLIGENCE
    Place of PublicationUS
    PublisherAAAI
    Pages80-86
    ISBN (Print)978-1-57735-615-8
    Publication statusPublished - 2013
    EventAAAI CONFERENCE ON ARTIFICIAL INTELLIGENCE - Washington, United States
    Duration: 14 Jul 201318 Jul 2013

    Conference

    ConferenceAAAI CONFERENCE ON ARTIFICIAL INTELLIGENCE
    Country/TerritoryUnited States
    Period14/07/1318/07/13

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