Discovering clues for review quality from author's behaviors on e-commerce sites

  • Authors:
  • Shen Huang;Dan Shen;Wei Feng;Yongzheng Zhang;Catherine Baudin

  • Affiliations:
  • eBay Research Labs, Shanghai, China;eBay Research Labs, Shanghai, China;Shanghai Jiao Tong University, Shanghai, China;eBay Research Labs, San Jose, CA;eBay Research Labs, San Jose, CA

  • Venue:
  • Proceedings of the 11th International Conference on Electronic Commerce
  • Year:
  • 2009

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Abstract

With the number of online reviews growing rapidly, it is increasingly difficult to digest all the information within limited time. To help users efficiently get concise information about a product, researchers have studied algorithms for automated opinion summarization. However, users might expect to further read detailed high-quality reviews in addition to a review outline. This raises another interesting problem not well studied yet: how to discover high quality product reviews? Previous research examined various properties of a product review to predict its quality. In this paper, we further explore this topic by incorporating another information resource: the behavior of review authors in an e-commerce community. First, we perform a high-level analysis on two kinds of data: product reviews and deal transactions. According to the results of this analysis, three features, including personal reputation, seller degree and expertise degree, are studied to assess the quality of a review from a credibility and expertise perspective. Our analysis shows that these features are strongly related to review quality and that they can help uncover review spamming by sellers. Furthermore, we propose a simulation model based on the above findings. The model is able to generate the basic properties of the review community, especially when the above three features are taken into account.