Authors: Hansen, Pierre
Mladenović, Nenad 
Title: Complement to a comparative analysis of heuristics for the p-median problem
Journal: Statistics and Computing
Volume: 18
Issue: 1
First page: 41
Last page: 46
Issue Date: 1-Mar-2008
Rank: M21
ISSN: 0960-3174
DOI: 10.1007/s11222-007-9036-9
Abstract: 
A recent comparison of evolutionary, neural network, and scatter search heuristics for solving the p-median problem is completed by (i) gathering or obtaining exact optimal values in order to evaluate errors precisely, and (ii) including results obtained with several variants of a variable neighborhood search (VNS) heuristic. For a first, well-known, series of instances, the average errors of the evolutionary and neural network heuristics are over 10% and more than 1000 times larger than that of VNS. For a second series, this error is about 3% while the errors of the parallel VNS and of a hybrid heuristic are about 0.01% and that of parallel scatter search even smaller.
Keywords: Evolutionary algorithm | Genetic algorithm | Metaheuristics | Neural networks | P-median | Scatter search | Variable neighborhood search
Publisher: Springer Link

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