Web-based evidence excavation to explore the authenticity of local events

Authors:
Ryong Lee;Daisuke Kitayama;Kazutoshi Sumiya
Affiliations:
University of Hyogo, Himeji, Hyogo, Japan;University of Hyogo, Himeji, Hyogo, Japan;University of Hyogo, Himeji, Hyogo, Japan
Venue:
Proceedings of the 2nd ACM workshop on Information credibility on the web
Year:
2008

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Abstract

With the increasing employment of the Web in our daily lives, we often use it to find evidence of real-world events. The difference with normal web searches is that users want to reveal whether an event is true or false based on firm facts. In this paper, we propose a model to excavate real-world events from the Web, to manage the vestige in spatio-temporal space and to offer users reliable evidence of an event. We also describe a similarity measure between events to perform searching and clustering. A credibility estimation method, based on the trustworthiness of events and the authority of web sites, using a primary experiment is also presented.