A memetic algorithm for the delineation of local labour markets

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Title: A memetic algorithm for the delineation of local labour markets
Authors: Flórez-Revuelta, Francisco | Casado-Díaz, José M. | Martínez Bernabeu, Lucas | Gómez Hernández, Raúl
Research Group/s: Informática Industrial y Redes de Computadores | Territorio y Movilidad. Mercados de Trabajo y Vivienda
Center, Department or Service: Universidad de Alicante. Departamento de Tecnología Informática y Computación | Universidad de Alicante. Departamento de Análisis Económico Aplicado
Keywords: Memetic algorithm | Evolutionary computation | Regionalization | Zone design | Combinatorial optimization
Knowledge Area: Arquitectura y Tecnología de Computadores | Economía Aplicada
Issue Date: 2008
Publisher: Springer Berlin / Heidelberg
Citation: FLÓREZ-REVUELTA, Francisco, et al. "A memetic algorithm for the delineation of local labour markets". En: Parallel Problem Solving from Nature – PPSN X : 10th International Conference Dortmund, Germany, September 13-17, 2008 Proceedings. Berlin : Springer, 2008. (Lecture Notes in Computer Science; 5199). ISBN 978-3-540-87699-1, pp. 1011-1020
Abstract: Given a territory composed of basic geographical units, the delineation of local labour market areas (LLMAs) can be seen as a problem in which those units are grouped subject to multiple constraints. In previous research, standard genetic algorithms were not able to find valid solutions, and a specific evolutionary algorithm was developed. The inclusion of multiple ad hoc operators allowed the algorithm to find better solutions than those of a widely-used greedy method. However, the percentage of invalid solutions was still very high. In this paper we improve that evolutionary algorithm through the inclusion of (i) a reparation process, that allows every invalid individual to fulfil the constraints and contribute to the evolution, and (ii) a hillclimbing optimisation procedure for each generated individual by means of an appropriate reassignment of some of its constituent units. We compare the results of both techniques against the previous results and a greedy method.
Sponsor: José M. Casado-Díaz has received financial support from the Spanish Ministry of Transports (Ministerio de Fomento) for the project ”New methods for the analysis of the determinants and effects of commuting flows (MOVICO)” under Grant T 75/2006 (Spanish National Plan of A+D+i). Lucas Martíınez-Bernabeu acknowledges financial support from the Spanish Ministry of Education and Science, the European Social Fund (ESF) and the University of Alicante. Raúl Gómez-Hernández acknowledges financial support from the University of Alicante.
URI: http://hdl.handle.net/10045/27923
ISBN: 978-3-540-87699-1
ISSN: 0302-9743 (Print) | 1611-3349 (Online)
DOI: 10.1007/978-3-540-87700-4_100
Language: eng
Type: info:eu-repo/semantics/conferenceObject
Rights: The original publication is available at www.springerlink.com
Peer Review: si
Publisher version: http://dx.doi.org/10.1007/978-3-540-87700-4_100
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INV - I2RC - Comunicaciones a Congresos, Conferencias, etc.

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