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作者:

Xu, Yicheng (Xu, Yicheng.) | Xu, Dachuan (Xu, Dachuan.) (学者:徐大川) | Du, Donglei (Du, Donglei.) | Wu, Chenchen (Wu, Chenchen.)

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摘要:

The universal facility location problem generalizes several classical facility location problems, such as the uncapacitated facility location problem and the capacitated location problem (both hard and soft capacities). In the universal facility location problem, we are given a set of demand points and a set of facilities. We wish to assign the demands to facilities such that the total service aswell as facility cost is minimized. The service cost is proportional to the distance that each unit of the demand has to travel to its assigned facility. The open cost of facility i depends on the amount z of demand assigned to i and is given by a cost function fi(z). In this work, we extend the universal facility location problem to include linear penalties, where we pay certain penalty cost whenever we refuse serving some demand points. As our main contribution, we present a (7.88+is an element of)- approximation local search algorithm for this problem.

关键词:

Approximation algorithm Linear penalty Local search Universal facility location problem

作者机构:

  • [ 1 ] [Xu, Yicheng]Beijing Univ Technol, Dept Informat & Operat Res, Coll Appl Math, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 2 ] [Xu, Dachuan]Beijing Univ Technol, Dept Informat & Operat Res, Coll Appl Math, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 3 ] [Du, Donglei]Univ New Brunswick, Fac Business Adm, Fredericton, NB E3B 5A3, Canada
  • [ 4 ] [Wu, Chenchen]Tianjin Univ Technol, Coll Sci, Tianjin 300384, Peoples R China

通讯作者信息:

  • 徐大川

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

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来源 :

JOURNAL OF GLOBAL OPTIMIZATION

ISSN: 0925-5001

年份: 2017

期: 1-2

卷: 67

页码: 367-378

1 . 8 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:92

中科院分区:2

被引次数:

WoS核心集被引频次: 10

SCOPUS被引频次: 11

ESI高被引论文在榜: 0 展开所有

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