Sentiment classification with interpolated information diffusion kernels

  • Authors:
  • Stephan Raaijmakers

  • Affiliations:
  • TNO Information and Communication Technology, Delft, The Netherlands

  • Venue:
  • Proceedings of the 1st international workshop on Data mining and audience intelligence for advertising
  • Year:
  • 2007

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Abstract

Information diffusion kernels - similarity metrics in non-Euclidean information spaces - have been found to produce state of the art results for document classification. In this paper, we present a novel approach to global sentiment classification using these kernels. We carry out a large array of experiments addressing the well-known movie review data set of Pang and Lee, a de facto benchmark, comparing information diffusion kernels with a standard RBF kernel machine. Our results show that interpolation of unigram and bigram information is beneficiary for sentiment classification.