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作者:

Ji, Sai (Ji, Sai.) | Xu, Dachuan (Xu, Dachuan.) (学者:徐大川) | Du, Donglei (Du, Donglei.) | Wang, Yijing (Wang, Yijing.)

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摘要:

In this paper, we study the weighted two-stage stochastic fault-tolerant facility location problem. We present a deterministic LP-rounding 5-approximation algorithm by exploiting both of its stochastic and fault-tolerant structures. We further offer an improved randomized LP-rounding 3.8617-approximation algorithm along with the corresponding de randomized version with the same approximation ratio. (C) 2017 Elsevier Inc. All rights reserved.

关键词:

Stochastic Facility location problem Fault-tolerant LP-rounding

作者机构:

  • [ 1 ] [Ji, Sai]Beijing Univ Technol, Coll Appl Sci, Dept Informat & Operat Res, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 2 ] [Xu, Dachuan]Beijing Univ Technol, Coll Appl Sci, Dept Informat & Operat Res, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 3 ] [Wang, Yijing]Beijing Univ Technol, Coll Appl Sci, Dept Informat & Operat Res, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 4 ] [Du, Donglei]Univ New Brunswick, Fac Business Adm, Fredericton, NB E3B 5A3, Canada

通讯作者信息:

  • 徐大川

    [Xu, Dachuan]Beijing Univ Technol, Coll Appl Sci, Dept Informat & Operat Res, 100 Pingleyuan, Beijing 100124, Peoples R China

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来源 :

APPLIED MATHEMATICAL MODELLING

ISSN: 0307-904X

年份: 2018

卷: 58

页码: 76-85

5 . 0 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:156

JCR分区:1

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WoS核心集被引频次: 1

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