We address long-term
coalitions that are formed of both customer and vendor agents after evaluating
their relationships with other agents in the system. We present a coalition
formation mechanism designed at agent level and analyzed at both system
and agent levels. Evaluation has been conducted to compare agent strategies
(individual vs. social) and to analyze the system behavior under different
circumstances. Our results show that the coalition formation mechanism
is beneficial for both the system (it reaches an equilibrium state) and
for the agents (their gains increase exponentially in time).
J. Vassileva (2001) Long-term Coalitions for the Electronic Marketplace,
in B. Spencer (ed.) Proceedings of the E-Commerce Applications Workshop,
Canadian AI Conference, Ottawa, June 7-10 2001.
S., J. Vassileva (2002a) Using Inter-Agent Trust Relationships for
Efficient Coalition Formation, to appear in R. Cohen and B.Spencer (eds.)
Proceedings of the 13th Canadian Conference on AI, Calgary, 28-30
May, 2002, Springer Verlag.
S., J.Vassileva (2002b) A Coalition Formation Mechanism Based on
Inter-Agent Trust Relationships. To appear in L. Johnson & C. Castelfranchi
(eds.) Proceedings of the First Conference on Autonomous Agents and
Multi-Agent Systems, Bologna, Part 1, ACM Press, 306-308.
J. Breban, S. Horsch M. (2002) Agent Reasoning Mechanism for
Long-Term Coalitions Based on Decision Making and Trust, Computational
Intelligence, Vol. 18, no. 4, 2002 Special Issue on Agent Mediated
Electronic Commerce, 15 pp manuscript.