By Andrew Byde (auth.), Julian Padget, Onn Shehory, David Parkes, Norman Sadeh, William E. Walsh (eds.)

ISBN-10: 3540003274

ISBN-13: 9783540003274

ISBN-10: 3540363785

ISBN-13: 9783540363781

This booklet constitutes the completely refereed post-proceedings of the 4th overseas Workshop on Agent-Mediated digital trade, AMEC 2002, held in Bologna, Italy in July 2002 through the AAMAS 2002 conference.

The 20 revised complete papers offered including an introductory survey by means of the amount editors have been conscientiously chosen and more advantageous in the course of rounds of reviewing and revision. The ebook offers a different evaluate of the cutting-edge of designing mechanisms and structures for agent-mediated e-commerce- The papers are prepared in topical sections on digital auctions, negotiations, and digital markets.

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Additional info for Agent-Mediated Electronic Commerce IV. Designing Mechanisms and Systems: AAMAS 2002 Workshop on Agent-Mediated Electronic Commerce Bologna, Italy, July 16, 2002 Revised Papers

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In the works of Rassenti [14] and Fujishima [7] the winner determination in combinatorial auctions is attempted via approximation algorithms. However, Sandholm [16] shows that no polynomial-time algorithm can be constructed which is guaranteed to nd a solution that is within any chosen ratio k of the optimum value. Even so, search-based algorithms such as Bidtree [16], CASS [7] and CABOB [17] have proven very useful in large-scale problems since they are generally more scalable than the Integer Programming approach.

11] present adaptive agents able to e ectively bid in many-to-many marketplaces, and are the rst examples of work which borrow techniques from experimental economics to analyze the dynamics of agent-based systems. Greedy agents for bidding in multiple auctions, and inspiration for the HISTORIAN algorithm come from [9], which discusses the multiple-unit case. In [10], Preist et. al present experiments involving a version of the algorithm GREEDY, though for a somewhat di erent auction protocol, and for use in purchasing multiple goods.

R. Jennings. Autonomous agents for participating in multiple on-line auctions. In Proc. IJCAI Workshop on E-Business and the Intelligent Web, pages 54–64, 2001. 2. C. Boutilier. Sequential optimality and coordination in multi-agent systems. In Proc. IJCAI 99, 1999. 3. C. Boutilier, M. Goldszmidt, and B. Sabata. Continuous value function approximation for sequential bidding policies. In Proc. UAI ’99, 1999. 4. C. Boutilier, M. Goldszmidt, and B. Sabata. Sequential auctions for the allocation of resources with complementarities.

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Agent-Mediated Electronic Commerce IV. Designing Mechanisms and Systems: AAMAS 2002 Workshop on Agent-Mediated Electronic Commerce Bologna, Italy, July 16, 2002 Revised Papers by Andrew Byde (auth.), Julian Padget, Onn Shehory, David Parkes, Norman Sadeh, William E. Walsh (eds.)


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