Topic analysis for online reviews with an author-experience-object-topic model

  • Authors:
  • Yong Zhang;Dong-Hong Ji;Ying Su;Po Hu

  • Affiliations:
  • Computer School, Wuhan University, Wuhan, P.R. China;Computer School, Wuhan University, Wuhan, P.R. China;Department of Computer Science, Wuchang Branch, Huazhong University of Science and Technology, Wuhan, P.R. China;Computer School, Wuhan University, Wuhan, P.R. China

  • Venue:
  • AIRS'11 Proceedings of the 7th Asia conference on Information Retrieval Technology
  • Year:
  • 2011

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Abstract

In this paper, we propose a new probabilistic generative model for topic analysis of online reviews, called Author-Experience-Object-Topic Model (AEOT). This model is to capture the relationship between the authors, objects and reviews in order to improve the performance of topic analysis. The model, as a general one, can be transformed to six simpler models, and can produce topic-word, author-topic and object-topic distributions. Experimental results show that the model is suitable for topic analysis of online reviews, and outperforms other existing methods.