Library and Information Science

Library and Information Science ISSN: 2435-8495
三田図書館・情報学会 Mita Society for Library and Information Science
〒108‒8345 東京都港区三田2‒15‒45 慶應義塾大学文学部図書館・情報学専攻内 c/o Keio University, 2-15-45 Mita, Minato-ku, Tokyo 108-8345, Japan
Library and Information Science 29: 111-123 (1991)

原著論文Original Article

多属性効用理論による情報検索の再定式化Reformulation of information retrieval in the framework of multi-attribute utility theory

東京大学大学院教育学研究科Graduate School of Education, University of Tokyo ◇ 〒113-8654 東京都文京区本郷七丁目3番1号 ◇ Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8654, Japan

受付日:1991年9月6日Received: September 6, 1991
発行日:1992年3月31日Published: March 31, 1992

The genuine purpose of information retrieval system is to support us to select information, not to select information in lieu of us. In other words, information retrieval systems should be a kind of decision support systems. So, it is reasonable to reconstruct information retrieval systems in the framework of utility theory.

In this paper, we show that some models ever proposed can be reconstructed in the framework of Multi-Attribute Utility Theory. Especially, we adopt Additive Differece Model in order to reformulate Extended Boolean Retrieval Models.

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