Organizing encyclopedic knowledge based on the web and its application to question answering

Authors:
Atsushi Fujii;Tetsuya Ishikawa
Affiliations:
University of Library and Information Science, Tsukuba, Japan;University of Library and Information Science, Tsukuba, Japan
Venue:
ACL '01 Proceedings of the 39th Annual Meeting on Association for Computational Linguistics
Year:
2001

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Abstract

We propose a method to generate large-scale encyclopedic knowledge, which is valuable for much NLP research, based on the Web. We first search the Web for pages containing a term in question. Then we use linguistic patterns and HTML structures to extract text fragments describing the term. Finally, we organize extracted term descriptions based on word senses and domains. In addition, we apply an automatically generated encyclopedia to a question answering system targeting the Japanese Information-Technology Engineers Examination.