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作者:

Zhang, Dongmei (Zhang, Dongmei.) | Xu, Dachuan (Xu, Dachuan.) (学者:徐大川) | Wang, Yishui (Wang, Yishui.) | Zhang, Peng (Zhang, Peng.) | Zhang, Zhenning (Zhang, Zhenning.)

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摘要:

In this paper, we introduce a squared metric k-facility location problem (SM-k-FLP) which is a generalization of the squared metric facility location problem (SMFLP) and k-facility location problem (k-FLP). In the SM-k-FLP, we are given a client set C and a facility set F from a metric space, a facility opening cost f(i) >= 0 for each i is an element of F, and an integer k. The goal is to open a facility subset F subset of F with vertical bar F vertical bar <= k and to connect each client to the nearest open facility such that the total cost (including facility opening cost and the sum of squares of distances) is minimized. Using local search and scaling techniques, we offer a constant approximation algorithm for the SM-k-FLP.

关键词:

Approximation algorithm Facility location Local search

作者机构:

  • [ 1 ] [Zhang, Dongmei]Shandong Jianzhu Univ, Sch Comp Sci & Technol, Jinan 250101, Peoples R China
  • [ 2 ] [Xu, Dachuan]Beijing Univ Technol, Coll Appl Sci, Dept Informat & Operat Res, Beijing 100124, Peoples R China
  • [ 3 ] [Wang, Yishui]Beijing Univ Technol, Coll Appl Sci, Dept Informat & Operat Res, Beijing 100124, Peoples R China
  • [ 4 ] [Zhang, Zhenning]Beijing Univ Technol, Coll Appl Sci, Dept Informat & Operat Res, Beijing 100124, Peoples R China
  • [ 5 ] [Zhang, Peng]Shandong Univ, Sch Comp Sci & Technol, Jinan 250101, Peoples R China

通讯作者信息:

  • 徐大川

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

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来源 :

COMBINATORIAL OPTIMIZATION AND APPLICATIONS, COCOA 2017, PT I

ISSN: 0302-9743

年份: 2017

卷: 10627

页码: 119-124

语种: 英文

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