Ontology-based WOM extraction service from weblogs

  • Authors:
  • Takahiro Kawamura;Shinichi Nagano;Yumiko Mizoguchi;Masumi Inaba;Tomohiro Yamasaki;Masayuki Okamoto

  • Affiliations:
  • Corporate Research & Development Center, Toshiba Corp.;Corporate Research & Development Center, Toshiba Corp.;Corporate Research & Development Center, Toshiba Corp.;Toshiba Corp.;Toshiba Corp.;Toshiba Corp.

  • Venue:
  • Proceedings of the 2008 ACM symposium on Applied computing
  • Year:
  • 2008

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Abstract

In this paper, we introduce a web-based service that extracts reputations of a product from the internet. If a user inputs the product name, the service first collects articles reviewing the product from weblogs, bbs, and so on. Also, it analyzes their contents using metadata and ontologies with conventional NLP techniques. Then, it indicates the reputations (positive or negative) from the overall and several pre-defined aspects, and other related products that are the subject of much discussion in the articles. This paper illustrates two technical points regarding use of metadata and ontologies with NLP, and summarizes evaluations in a case that we applied it to a market research for a vehicle.