An approximation algorithm for the dynamic facility location problem with outliers

被引：0
|
作者：
Yanjun Jiang
Dachuan Xu
Donglei Du
Dongmei Zhang
机构：
[1] Beijing University of Technology,Department of Information and Operations Research, College of Applied Sciences
[2] University of New Brunswick,Faculty of Business Administration
[3] Shandong Jianzhu University,School of Computer Science and Technology
来源：
Optimization Letters | 2019年 / 13卷
关键词：
Approximation algorithm; Facility location problem; Primal-dual; Approximation ratio;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this article, we investigate the dynamic (multi-period) facility location problem with potentially unserved clients or outliers. We propose a 3-approximation primal-dual algorithm based on an integer linear program formulation of the problem. We further improve the approximation ratio to 2 by combining the cost scaling and greedy improvement techniques.
引用
收藏
页码：561 / 571
页数：10
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