Revisiting the Cardinality Reasoning for BinPacking Constraint

  • François Pelsser
  • Pierre Schaus
  • Jean-Charles Régin
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8124)

Abstract

In a previous work, we introduced a filtering for the BinPacking constraint based on a cardinality reasoning for each bin combined with a global cardinality constraint. We improve this filtering with an algorithm providing tighter bounds on the cardinality variables. We experiment it on the Balanced Academic Curriculum Problems demonstrating the benefits of the cardinality reasoning for such bin-packing problems.

Keywords

Constraint Programming Global Constraints Bin-Packing 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • François Pelsser
    • 1
  • Pierre Schaus
    • 1
  • Jean-Charles Régin
    • 2
  1. 1.ICTEAMUCLouvainLouvain-la-NeuveBelgium
  2. 2.I3S UMR 6070, CNRSUniversity of Nice-Sophia AntipolisFrance

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