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    Decentralized multi-objective bilevel decision making with fuzzy demands

    Access Status
    Fulltext not available
    Authors
    Zhang, G.
    Lu, J.
    Dillon, Tharam S.
    Date
    2007
    Type
    Journal Article
    
    Metadata
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    Citation
    Zhang, G. and Lu, J. and Dillon, T.S. 2007. Decentralized multi-objective bilevel decision making with fuzzy demands. Knowledge-Based Systems. 20 (5): pp. 495-507.
    Source Title
    Knowledge Based Systems
    DOI
    10.1016/j.knosys.2007.01.003
    ISSN
    09507051
    URI
    http://hdl.handle.net/20.500.11937/20883
    Collection
    • Curtin Research Publications
    Abstract

    Decisions in a decentralized organization often involve two levels. The leader at the upper level attempts to optimize his/her objective but is affected by the follower; the follower at the lower level tries to find an optimized strategy according to each of possible decisions made by the leader. When model a real-world bilevel decision problem, it also may involve fuzzy demands which appear either in the parameters of objective functions or constraints of the leader or the follower or both. Furthermore, the leader and the follower may have multiple conflict objectives that should be optimized simultaneously in achieving a solution. This study addresses both fuzzy demands and multi-objective issues and propose a fuzzy multi-objective bilevel programming model. It then develops an approximation branch-and-bound algorithm to solve multi-objective bilevel decision problems with fuzzy demands. Finally, two case-based examples further illustrate the proposed model and algorithm.

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