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作者:

Wang, Zhen (Wang, Zhen.) | Du, Donglei (Du, Donglei.) | Xu, Dachuan (Xu, Dachuan.) (学者:徐大川)

收录:

CPCI-S

摘要:

We present a combinatorial primal-dual 7-approximation algorithm for the k-level stochastic facility location problem, the stochastic counterpart of the standard k-level facility location problem. This approximation ratio is slightly worse than that of the primal-dual 6-approximation for the standard k-level facility location problem [3] because of the extra stochastic assumption. This new result complements the recent non-combinatorial 3-approximation algorithm for the same problem by Wang et al [21].

关键词:

Approximation algorithm Facility location Primal-dual

作者机构:

  • [ 1 ] [Wang, Zhen]Beijing Univ Technol, Dept Appl Math, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 2 ] [Xu, Dachuan]Beijing Univ Technol, Dept Appl Math, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 3 ] [Du, Donglei]Univ New Brunswick, Fac Business Adm, Fredericton, NB E3B 5A3, Canada

通讯作者信息:

  • [Wang, Zhen]Beijing Univ Technol, Dept Appl Math, 100 Pingleyuan, Beijing 100124, Peoples R China

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来源 :

ALGORITHMIC ASPECTS IN INFORMATION AND MANAGEMENT

ISSN: 0302-9743

年份: 2010

卷: 6124

页码: 253-,

语种: 英文

被引次数:

WoS核心集被引频次: 1

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