Using syntactic and contextual information for sentiment polarity analysis

Authors:
Shaishav Agrawal;Tanveer j Siddiqui
Affiliations:
IIIT Allahabad, Allahabad, India;IIIT Allahabad, Allahabad, India
Venue:
Proceedings of the 2nd International Conference on Interaction Sciences: Information Technology, Culture and Human
Year:
2009

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Abstract

A new method for sentiment polarity analysis is presented. The method first assigns scores to a sentence using SentiWordNet and then uses heuristics to handle context dependent sentiment expressions. Instead of using score of all synsets of a word listed in SentiWordNet we use score of synsets of the same parts of speech only. Our method shows significant improvement on movie-review dataset over the baseline.