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GRASP with path-relinking

In: Optimization by GRASP

Author

Listed:
  • Mauricio G. C. Resende

    (Amazon.com, Inc., Modeling and Optimization Group (MOP))

  • Celso C. Ribeiro

    (Universidade Federal Fluminense, Instituto de Ciência da Computação)

Abstract

Path-relinking is a major enhancement to GRASP, adding a long-term memory mechanism to GRASP heuristics. GRASP with path-relinking implements long-term memory using an elite set of diverse high-quality solutions found during the search. In its most basic implementation, at each iteration the path-relinking operator is applied between the solution found at the end of the local search phase and a randomly selected solution from the elite set. The solution resulting from path-relinking is a candidate for inclusion in the elite set. In this chapter we examine elite sets, their integration with GRASP, the basic GRASP with path-relinking procedure, several variants of the basic scheme, including evolutionary path-relinking, and restart strategies for GRASP with path-relinking heuristics.

Suggested Citation

  • Mauricio G. C. Resende & Celso C. Ribeiro, 2016. "GRASP with path-relinking," Springer Books, in: Optimization by GRASP, chapter 0, pages 189-204, Springer.
    • Handle: RePEc:spr:sprchp:978-1-4939-6530-4_9
    DOI: 10.1007/978-1-4939-6530-4_9
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