A fuzzy trust model using multiple evaluation criteria

Authors:
Keon Myung Lee;KyoungSoon Hwang;Jee-Hyong Lee;Hak-Joon Kim
Affiliations:
School of Electrical and Computer Engineering, Chungbuk National University, Korea;School of Electrical and Computer Engineering, Chungbuk National University, Korea;School of Information and Communication Engineering, SungKyunKwan University, Korea;Division of Multimedia Information, Howon University, Korea
Venue:
FSKD'06 Proceedings of the Third international conference on Fuzzy Systems and Knowledge Discovery
Year:
2006

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Abstract

This paper is concerned with a fuzzy trust model which takes into account both evaluations from multiple criteria and the recommendations from others in order to set the trust degrees on entities. In the proposed trust model, the entity's preference degrees on the outcomes of the interactions are expressed in fuzzy sets and the trust degrees are determined by aggregating the satisfaction degrees with respect to evaluation criteria with Sugeno's fuzzy integral. In addition, the reputation information is incorporated into the trust degree determination.