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International Workshop on Hybrid Metaheuristics (HM 2008), Malaga : Espagne (2008)
On the Integration of a TSP Heuristic into an EA for the Bi-objective Ring Star Problem
Arnaud Liefooghe 1, 2, Laetitia Jourdan 1, 2, Nicolas Jozefowiez 3, El-Ghazali Talbi 1, 2
(2008)

This paper discusses a new hybrid solution method for a bi-objective routing problem, namely the bi-objective ring star problem. The bi-objective ring star problem is a generalization of the ring star problem in which the assignment cost has been dissociated from the cost of visiting a subset of nodes. Here, we investigate the possible contribution of incorporating specialized TSP heuristics into a multiobjective evolutionary algorithm. Experiments show that the use of this hybridization scheme allows a strict improvement of the generated sets of non-dominated solutions.
1:  Laboratoire d'Informatique Fondamentale de Lille (LIFL)
CNRS : UMR8022 – Université Lille I - Sciences et technologies – Université Lille III - Sciences humaines et sociales – INRIA
2:  DOLPHIN (INRIA Lille - Nord Europe)
INRIA – CNRS : UMR8022 – Université Lille I - Sciences et technologies
3:  Laboratoire d'analyse et d'architecture des systèmes (LAAS)
CNRS : UPR8001 – Université Paul Sabatier [UPS] - Toulouse III – Institut National Polytechnique de Toulouse - INPT – Institut National des Sciences Appliquées (INSA) - Toulouse
Mathematics/Combinatorics
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