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In Proc. Conf. Principles and Practice of Constraint Programming, 2004. Streamlined Constraint Reasoning ⋆

By Carla Gomes and Meinolf Sellmann


Abstract. We introduce a new approach for focusing constraint reasoning using so-called streamlining constraints. Such constraints partition the solution space to drive the search first towards a small and structured combinatorial subspace. The streamlining constraints capture regularities observed in a subset of the solutions to smaller problem instances. We demonstrate the effectiveness of our approach by solving a number of hard combinatorial design problems. Our experiments show that streamlining scales significantly beyond previous approaches

Topics: constraint reasoning, search, branching strategies
Year: 2011
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