Consensus Reaching and Strategic Manipulation in Group Decision Making With Trust Relationships

Yucheng Dong · Quanbo Zha · Hengjie Zhang · Francisco Herrera

251 citations0/0 files storedIEEE Transactions on Systems Man and Cybernetics Systems

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Multi-Criteria Decision Making Game Theory and Voting Systems Opinion Dynamics and Social Influence

Abstract

To date, a large number of consensus reaching processes (CRPs) have been reported in group decision making (GDM). Trust relationships should be an essential element in interactions among a group of individuals, leading to the evolution of individuals’ preferences. Therefore, in this article, we present a trust relationships CRP with a feedback mechanism which consists of two approaches of facilitating consensus reaching: 1) the leader-based preference adjustment and 2) the trust relationships improvement. In the trust relationships CRP, we build a bridge between opinion dynamics and GDM to highlight the role of the leaders and trust relationships improvements in the GDM problems. Furthermore, we present a new strategic manipulation issue, called trust relationship manipulation, and discuss some clique-based strategies to manipulate trust relationships to obtain the desired ranking of the alternatives in the GDM problems. Finally, the detailed simulation experiments are proposed to justify our proposal.

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References

1988On ordered weighted averaging aggregation operators in multicriteria decisionmaking 1956A formal theory of social power.2002A consensus model for multiperson decision making with different preference structures 2013A review of soft consensus models in a fuzzy environment 2007A survey of trust in computer science and the Semantic Web 2007A Consensus Model for Group Decision Making With Incomplete Fuzzy Preference Relations 2005A Consensus Support System Model for Group Decision-Making Problems With Multigranular Linguistic Preference Relations 2018Consensus reaching in social network group decision making: Research paradigms and challenges

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