A new extended dominance relation approach based on probabilistic rough set theory

Authors:
Decui Liang;Simon X. Yang;Chaozhe Jiang;Xiangui Zheng;Dun Liu
Affiliations:
School of Economics and Management, Southwest Jiaotong University, Cheng du, China;School of Engineering, University of Guelph, Ontario, Canada;College of Traffic and Transportaton, Southwest Jiaotong University, Cheng du, China;Sichuan Higher Institute of Cuisine, Cheng du, China;School of Economics and Management, Southwest Jiaotong University, Cheng du, China
Venue:
RSKT'10 Proceedings of the 5th international conference on Rough set and knowledge technology
Year:
2010

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Abstract

A new extended dominance relation is proposed for multiattribute decision making problems with preference and incomplete information. First, the concept of new extended dominance relation based on the possibility of dominance relation between two objects is proposed. It substitutes the possibility of dominance relation for the conditions of limited extended dominance relation. In addition, it restricts that attribute values of two objects are missing in the same attribute. Through using probabilistic rough set theory, the threshold for the new extended dominance relation is estimated. It is decided by the loss regarding the risk or cost of those classification actions with respect to different states. Finally, the effectiveness of the new extended dominance relation is validated by experimental studies.