Biased random-key genetic algorithms for combinatorial optimization

  • Authors:
  • José Fernando Gonçalves;Mauricio G. Resende

  • Affiliations:
  • LIAAD, Faculdade de Economia do Porto, Universidade do Porto, Porto, Portugal;Algorithms & Optimization Research Department, AT&T Labs Research, Florham Park, USA

  • Venue:
  • Journal of Heuristics
  • Year:
  • 2011

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Abstract

Random-key genetic algorithms were introduced by Bean (ORSA J. Comput. 6:154---160, 1994) for solving sequencing problems in combinatorial optimization. Since then, they have been extended to handle a wide class of combinatorial optimization problems. This paper presents a tutorial on the implementation and use of biased random-key genetic algorithms for solving combinatorial optimization problems. Biased random-key genetic algorithms are a variant of random-key genetic algorithms, where one of the parents used for mating is biased to be of higher fitness than the other parent. After introducing the basics of biased random-key genetic algorithms, the paper discusses in some detail implementation issues, illustrating the ease in which sequential and parallel heuristics based on biased random-key genetic algorithms can be developed. A survey of applications that have recently appeared in the literature is also given.