Feature Specific Sentiment Analysis for Product Reviews

  • Subhabrata Mukherjee
  • Pushpak Bhattacharyya
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7181)

Abstract

In this paper, we present a novel approach to identify feature specific expressions of opinion in product reviews with different features and mixed emotions. The objective is realized by identifying a set of potential features in the review and extracting opinion expressions about those features by exploiting their associations. Capitalizing on the view that more closely associated words come together to express an opinion about a certain feature, dependency parsing is used to identify relations between the opinion expressions. The system learns the set of significant relations to be used by dependency parsing and a threshold parameter which allows us to merge closely associated opinion expressions. The data requirement is minimal as this is a one time learning of the domain independent parameters. The associations are represented in the form of a graph which is partitioned to finally retrieve the opinion expression describing the user specified feature. We show that the system achieves a high accuracy across all domains and performs at par with state-of-the-art systems despite its data limitations.

Keywords

Latent Dirichlet Allocation Sentiment Analysis Target Feature Product Review Sentiment Classification 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Subhabrata Mukherjee
    • 1
  • Pushpak Bhattacharyya
    • 1
  1. 1.Dept. of Computer Science and EngineeringIIT BombayIndia

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