An approximation algorithm for the k-level stochastic facility location problem

被引:12
作者
Wang, Zhen [1 ]
Du, Donglei [2 ]
Gabor, Adriana F. [3 ]
Xu, Dachuan [1 ]
机构
[1] Beijing Univ Technol, Dept Appl Math, Beijing 100124, Peoples R China
[2] Univ New Brunswick, Fac Business Adm, Fredericton, NB E3B 5A3, Canada
[3] Erasmus Univ, Dept Econometr, Erasmus Sch Econ, NL-3000 DR Rotterdam, Netherlands
基金
北京市自然科学基金; 加拿大自然科学与工程研究理事会;
关键词
Facility location; Approximation algorithm; Randomized rounding;
D O I
10.1016/j.orl.2010.04.010
中图分类号
C93 [管理学]; O22 [运筹学];
学科分类号
070105 ; 12 ; 1201 ; 1202 ; 120202 ;
摘要
We consider the k-level stochastic facility location problem. For this, we present an LP rounding algorithm that is 3-approximate. This result is achieved by a novel integer linear programming formulation that exploits the stochastic structure. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码:386 / 389
页数:4
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