A system for summarizing and visualizing arguments in subjective documents: toward supporting decision making

Authors:
Atsushi Fujii;Tetsuya Ishikawa
Affiliations:
University of Tsukuba, Tsukuba, Japan;The University of Tokyo, Bunkyo-ku, Tokyo, Japan
Venue:
SST '06 Proceedings of the Workshop on Sentiment and Subjectivity in Text
Year:
2006

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Abstract

On the World Wide Web, the volume of subjective information, such as opinions and reviews, has been increasing rapidly. The trends and rules latent in a large set of subjective descriptions can potentially be useful for decision-making purposes. In this paper, we propose a method for summarizing subjective descriptions, specifically opinions in Japanese. We visualize the pro and con arguments for a target topic, such as "Should Japan introduce the summertime system?" Users can summarize the arguments about the topic in order to choose a more reasonable standpoint for decision making. We evaluate our system, called "OpinionReader", experimentally.