A branch-and-cut algorithm for the Winner Determination Problem

被引:18
|
作者
Escudero, Laureano F. [1 ]
Landete, Mercedes [1 ]
Marin, Alfredo [1 ]
机构
[1] Univ Murcia, Dept Estadist & Invest Operat, E-30001 Murcia, Spain
关键词
Combinatorial auctions; Set packing; Valid inequalities; COMBINATORIAL AUCTIONS;
D O I
10.1016/j.dss.2008.10.009
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
Winner Determination Problem is the problem of maximizing the benefit when bids can be made on a group of items. in this paper, we consider the set packing formulation of the problem, study its polyhedral structure and then propose a new and tighter formulation. We also present new valid inequalities which are generated by exploiting combinatorial auctions peculiarities. Finally, we implement a branch-and-cut algorithm which shows its efficiency in a big number of instances. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:649 / 659
页数:11
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