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
相关论文
共 23 条
[1]   A 3-approximation algorithm for the k-level uncapacitated facility location problem [J].
Aardal, K ;
Chudak, FA ;
Shmoys, DB .
INFORMATION PROCESSING LETTERS, 1999, 72 (5-6) :161-167
[2]   Improved combinatorial approximation algorithms for the k-level facility location problem [J].
Ageev, A ;
Ye, YY ;
Zhang, JW .
SIAM JOURNAL ON DISCRETE MATHEMATICS, 2004, 18 (01) :207-217
[3]  
Bumb A, 2001, LECT NOTES COMPUT SC, V2129, P55
[4]   AN OPTIMAL BIFACTOR APPROXIMATION ALGORITHM FOR THE METRIC UNCAPACITATED FACILITY LOCATION PROBLEM [J].
Byrka, Jaroslaw ;
Aardal, Karen .
SIAM JOURNAL ON COMPUTING, 2010, 39 (06) :2212-2231
[5]   Supporting multiple-input, multiple-output custom functions in configurable processors [J].
Chen, Xiaoyong ;
Maskell, Douglas L. .
JOURNAL OF SYSTEMS ARCHITECTURE, 2007, 53 (5-6) :263-271
[6]   Improved approximation algorithms for the uncapacitated facility location problem [J].
Chudak, FA ;
Shmoys, DB .
SIAM JOURNAL ON COMPUTING, 2003, 33 (01) :1-25
[7]   A new approximation algorithm for the multilevel facility location problem [J].
Gabor, Adriana F. ;
van Ommeren, Jan-Kees C. W. .
DISCRETE APPLIED MATHEMATICS, 2010, 158 (05) :453-460
[8]   Greedy strikes back: Improved facility location algorithms [J].
Guha, S ;
Khuller, S .
JOURNAL OF ALGORITHMS-COGNITION INFORMATICS AND LOGIC, 1999, 31 (01) :228-248
[9]   Greedy facility location algorithms analyzed using,dual fitting with factor-revealing LP [J].
Jain, K ;
Mahdian, M ;
Markakis, E ;
Saberi, A ;
Vazirani, VV .
JOURNAL OF THE ACM, 2003, 50 (06) :795-824
[10]   Approximation algorithms for metric facility location and k-median problems using the primal-dual schema and Lagrangian relaxation [J].
Jain, K ;
Vazirani, VV .
JOURNAL OF THE ACM, 2001, 48 (02) :274-296