Local search algorithm for universal facility location problem with linear penalties

2015 ◽  
Vol 67 (1-2) ◽  
pp. 367-378 ◽  
Author(s):  
Yicheng Xu ◽  
Dachuan Xu ◽  
Donglei Du ◽  
Chenchen Wu
Keyword(s):  
Local Search ◽  
Facility Location ◽  
Location Problem ◽  
Search Algorithm ◽  
Facility Location Problem ◽  
Local Search Algorithm ◽  
Linear Penalties

scholarly journals A Matheuristic Approach Combining Local Search and Mathematical Programming

2016 ◽  
Vol 2016 ◽  
pp. 1-7 ◽  
Author(s):  
Carolina Lagos ◽  
Guillermo Guerrero ◽  
Enrique Cabrera ◽  
Stefanie Niklander ◽  
Franklin Johnson ◽  
...  
Keyword(s):  
Mathematical Programming ◽  
Local Search ◽  
Large Scale ◽  
Search Algorithm ◽  
Facility Location Problem ◽  
Specific Information ◽  
Local Search Algorithm ◽  
Capacitated Facility Location Problem ◽  
Capacitated Facility Location ◽  
Installation Cost

A novel matheuristic approach is presented and tested on a well-known optimisation problem, namely, capacitated facility location problem (CFLP). The algorithm combines local search and mathematical programming. While the local search algorithm is used to select a subset of promising facilities, mathematical programming strategies are used to solve the subproblem to optimality. Proposed local search is influenced by instance-specific information such as installation cost and the distance between customers and facilities. The algorithm is tested on large instances of the CFLP, where neither local search nor mathematical programming is able to find good quality solutions within acceptable computational times. Our approach is shown to be a very competitive alternative to solve large-scale instances for the CFLP.

A local search approximation algorithm for a squared metric k-facility location problem

2018 ◽  
Vol 35 (4) ◽  
pp. 1168-1184
Author(s):  
Dongmei Zhang ◽  
Dachuan Xu ◽  
Yishui Wang ◽  
Peng Zhang ◽  
Zhenning Zhang
Keyword(s):  
Approximation Algorithm ◽  
Local Search ◽  
Facility Location ◽  
Location Problem ◽  
Facility Location Problem
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