A hierarchical approach to mood classification in blogs

  • Authors:
  • Fazel Keshtkar;Diana Inkpen

  • Affiliations:
  • School of information technology and engineering, university of ottawa, ottawa, ontario, canada e-mail: akeshta@site.uottawa.ca, diana@site.uottawa.ca;School of information technology and engineering, university of ottawa, ottawa, ontario, canada e-mail: akeshta@site.uottawa.ca, diana@site.uottawa.ca

  • Venue:
  • Natural Language Engineering
  • Year:
  • 2012

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Abstract

In this article, we explore the task of mood classification for blog postings. We propose a novel approach that uses the hierarchy of possible moods to achieve better results than a standard machine learning approach. We also show that using sentiment orientation features improves the performance of classification. We used the Livejournal blog corpus as a data set to train and evaluate our method. We present extensive error analysis and discuss the difficulty of the task.