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Cluster-Specific Heuristics for Constraint Solving

  • Seda Polat ErdenizEmail author
  • Alexander Felfernig
  • Muesluem AtasEmail author
  • Thi Ngoc Trang Tran
  • Michael Jeran
  • Martin Stettinger
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10350)

Abstract

In Constraint Satisfaction Problems (CSP), variable ordering heuristics help to increase efficiency. Applying an appropriate heuristic can increase the performance of CSP solvers. On the other hand, if we apply specific heuristics for similar CSPs, CSP solver performance could be further improved. Similar CSPs can be grouped into same clusters. For each cluster, appropriate heuristics can be found by applying a local search. Thus, when a new CSP is created, the corresponding cluster can be found and the pre-calculated heuristics for the cluster can be applied. In this paper, we propose a new method for constraint solving which is called Cluster Specific Heuristic (CSH). We present and evaluate our method on the basis of example CSPs.

Keywords

Configuration Constraint satisfaction problems Variable and value ordering heuristics Clustering Performance optimization 

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  • Seda Polat Erdeniz
    • 1
    Email author
  • Alexander Felfernig
    • 1
  • Muesluem Atas
    • 1
    Email author
  • Thi Ngoc Trang Tran
    • 1
  • Michael Jeran
    • 1
  • Martin Stettinger
    • 1
  1. 1.Institute of Software TechnologyGraz University of TechnologyGrazAustria

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