A 2-level Metaheuristic for the Set Covering Problem

  • Claudio Valenzuela Pontificia Universidad Católica de Valparaíso Valparaíso, Chile
  • Broderick Crawford Pontificia Universidad Católica de Valparaíso Valparaíso, Chile
  • Ricardo Soto 1. Pontificia Universidad Católica de Valparaíso Valparaíso, Chile, and 2. Universidad Autónoma de Chile
  • Eric Monfroy Universidad Técnica Federico Santa María Valparaíso, Chile
  • Fernando Paredes Escuela de Ingeniería Industrial Universidad Diego Portales Santiago, Chile

Abstract

Metaheuristics are solution methods which combine local improvement procedures and higher level strategies for solving combinatorial and nonlinear optimization problems. In general, metaheuristics require an important amount of effort focused on parameter setting to improve its performance. In this work a 2-level metaheuristic approach is proposed so that Scatter Search and Ant Colony Optimization act as “low level" metaheuristics, whose parameters are set by a “higher level" Genetic Algorithm during execution, seeking to improve the performance and to reduce the maintenance. The Set Covering Problem is taken as reference since is one of the most important optimization problems, serving as basis for facility location problems, airline crew scheduling, nurse scheduling, and resource allocation.

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Published
2014-09-20
How to Cite
VALENZUELA, Claudio et al. A 2-level Metaheuristic for the Set Covering Problem. INTERNATIONAL JOURNAL OF COMPUTERS COMMUNICATIONS & CONTROL, [S.l.], v. 7, n. 2, p. 377-387, sep. 2014. ISSN 1841-9844. Available at: <http://univagora.ro/jour/index.php/ijccc/article/view/1417>. Date accessed: 29 oct. 2020. doi: https://doi.org/10.15837/ijccc.2012.2.1417.

Keywords

metaheuristics, genetic algorithm, scatter search, ant colony optimization, set covering problem.