An Optimal Constraint Programming Approach to the Open-Shop Problem

  • Authors:
  • Arnaud Malapert;Hadrien Cambazard;Christelle Gué/ret;Narendra Jussien;André/ Langevin;Louis-Martin Rousseau

  • Affiliations:
  • É/cole des Mines de Nantes, LINA UMR CNRS 6241, F-44307 Nantes, France/ and É/cole Polytechnique de Montré/al, CIRRELT, Montré/al, H3C 3A7 Qué/bec, Canada;Cork Constraint Computation Centre, Department of Computer Science, University College Cork, Ireland;É/cole des Mines de Nantes, IRCCyN UMR CNRS 6597, F-44307 Nantes, France;É/cole des Mines de Nantes, LINA UMR CNRS 6241, F-44307 Nantes, France;É/cole Polytechnique de Montré/al, CIRRELT, Montré/al, H3C 3A7 Qué/bec, Canada;É/cole Polytechnique de Montré/al, CIRRELT, Montré/al, H3C 3A7 Qué/bec, Canada

  • Venue:
  • INFORMS Journal on Computing
  • Year:
  • 2012

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Abstract

This paper presents an optimal constraint programming approach for the open-shop scheduling problem, which integrates recent constraint propagation and branching techniques with new upper bound heuristics. Randomized restart policies combined with nogood recording allow us to search diversification and learning from restarts. This approach is compared with the best-known metaheuristics and exact algorithms, and it shows better results on a wide range of benchmark instances.