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A Mediator-based Agent Negotiation for Utility Functions that Change over Time
Keisuke HARA Takayuki ITO
D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2013/12/01
Online ISSN: 1881-0225
Print ISSN: 1880-4535
Type of Manuscript: Special Section PAPER (Special Section on Software Agent and Its Applications)
multi-issue negotiation problem, non-linear utility function, multi-agent system, change over time, GA,
Full Text(in Japanese): PDF(1.8MB)
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Multi-issue negotiation protocols are an important field of study because real-world negotiation problems are often complex and involve multiple issues. Although much previous work has only addressed linear utility function, recently, non-linear utility functions for complex negotiations involving interdependent issues have gained attention. Most studies, however, do not focus on the changes in utility space over time. In economic theory, it is often assumed that the utility function changes dynamically over time. We propose a complex utility space that changes over time and a negotiation mechanism in which the mediator takes the lead in negotiation based on the genetic algorithm.