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Improving parametric Clarke and Wright algorithms by means of iterative empirically adjusted greedy heuristics
Corominas, Albert (Institute of Industrial and Control Engineering (Barcelona, Catalunya))
García-Villoria, Alberto (Institute of Industrial and Control Engineering (Barcelona, Catalunya))
Rafael Pastor, Rafael (Institute of Industrial and Control Engineering (Barcelona, Catalunya))

Data: 2014
Resum: Since Clarke and Wright proposed their well-known savings algorithm for solving the Capacitated Vehicle Routing Problem, several enhancements to the original savings formula have been recently proposed, in the form of parameterisations. In this paper we first propose to use Empirically Adjusted Greedy Heuristics to run these parameterized heuristics and we also consider the addition of new parameters. This approach is shown to improve the savings algorithms proposed in the literature. Moreover, we propose a new procedure which leads to even better solutions, based on what we call Iterative Empirically Adjusted Greedy Heuristics.
Drets: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial i la comunicació pública de l'obra, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original. No es permet la creació d'obres derivades. Creative Commons
Llengua: Anglès
Document: article ; recerca ; publishedVersion
Matèria: EAGH-1 ; Greedy heuristics ; Clarke and Wright savings algorithm ; CVRP
Publicat a: SORT : statistics and operations research transactions, Vol. 38, Núm. 1 (January-June 2014) , p. 3-12, ISSN 1696-2281

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