A Population-Based Local Search for Solving a Bi-objective Vehicle Routing Problem

J.M. Pasia, Karl Dörner, Richard Hartl, Marc Reimann

Publications: Contribution to bookContribution to proceedings

Abstract

In this paper we present a population-based local search for solving a bi-objective vehicle routing problem. The objectives of the problem are minimization of the tour length and balancing the routes. The algorithm repeatedly generates a pool of good initial solutions by using a randomized savings algorithm followed by local search. The local search uses three neighborhood structures and evaluates the fitness of candidate solutions using dominance relation. Several test instances are used to assess the performance of the new approach. Computational results show that the population-based local search outperforms the best known algorithm for this problem.
Original languageEnglish
Title of host publicationEvolutionary computation in combinatorial optimization
Subtitle of host publication7th European conference ; proceedings / EvoCOP 2007, Valencia, Spain, April 11 - 13, 2007
EditorsCarlos Cotta
Place of PublicationBerlin [u.a.]
PublisherSpringer-Verlag Berlin
Pages166-175
Number of pages9
ISBN (Print)978-3-540-71614-3
DOIs
Publication statusPublished - 2007

Publication series

SeriesLecture Notes in Computer Science
Volume4446
ISSN0302-9743

Austrian Fields of Science 2012

  • 502052 Business administration

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