INSIGHT Galway: Syntactic and Lexical Features for Aspect Based Sentiment Analysis

    Research output: Chapter in Book or Conference Publication/ProceedingConference Publicationpeer-review

    12 Citations (Scopus)

    Abstract

    This work analyses various syntactic and lexical features for sentence level aspect based sentiment analysis. The task focuses on detection of a writer’s sentiment towards an aspect which is explicitly mentioned in a sentence. The target sentiment polarities are positive, negative, conflict and neutral. We use a supervised learning approach, evaluate various features and report accuracies which are much higher than the provided baselines. Best features include unigrams, clauses, dependency relations and SentiWordNet polarity scores.

    Original languageEnglish
    Title of host publication8th International Workshop on Semantic Evaluation, SemEval 2014 - co-located with the 25th International Conference on Computational Linguistics, COLING 2014, Proceedings
    EditorsPreslav Nakov, Torsten Zesch
    PublisherAssociation for Computational Linguistics (ACL)
    Pages346-350
    Number of pages5
    ISBN (Electronic)9781941643242
    DOIs
    Publication statusPublished - 2014
    Event8th International Workshop on Semantic Evaluation, SemEval 2014 - Dublin, Ireland
    Duration: 23 Aug 201424 Aug 2014

    Publication series

    Name8th International Workshop on Semantic Evaluation, SemEval 2014 - co-located with the 25th International Conference on Computational Linguistics, COLING 2014, Proceedings

    Conference

    Conference8th International Workshop on Semantic Evaluation, SemEval 2014
    Country/TerritoryIreland
    CityDublin
    Period23/08/1424/08/14

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