VODUM: A Topic Model Unifying Viewpoint, Topic and Opinion Discovery

  • Thibaut Thonet
  • Guillaume Cabanac
  • Mohand Boughanem
  • Karen Pinel-Sauvagnat
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9626)


The surge of opinionated on-line texts provides a wealth of information that can be exploited to analyze users’ viewpoints and opinions on various topics. This article presents VODUM, an unsupervised Topic Model designed to jointly discover viewpoints, topics, and opinions in text. We hypothesize that partitioning topical words and viewpoint-specific opinion words using part-of-speech helps to discriminate and identify viewpoints. Quantitative and qualitative experiments on the Bitterlemons collection show the performance of our model. It outperforms state-of-the-art baselines in generalizing data and identifying viewpoints. This result stresses how important topical and opinion words separation is, and how it impacts the accuracy of viewpoint identification.


Opinion Mining Topic Model Gaza Strip Topic Distribution Opinion Discovery 
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 International Publishing Switzerland 2016

Authors and Affiliations

  • Thibaut Thonet
    • 1
  • Guillaume Cabanac
    • 1
  • Mohand Boughanem
    • 1
  • Karen Pinel-Sauvagnat
    • 1
  1. 1.IRITUniversité Paul SabatierToulouse CEDEX 9France

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