Proceedings

Solving Strategies for Highly Symmetric CSPs

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Proceedings of the Sixteenth International Joint Conference on Artificial Intelligence. Constraint Satisfaction. Pages 400-404.

Abstract

Symmetry often appears in real-world constraint satisfaction problems, but strategies for exploiting it are only beginning to be developed. Here, a rationale for exploiting symmetry within depth-first search is proposed, leading to an heuristic for variable selection and a domain pruning procedur e. These strategies are then applied to a highly symmetric comb inat orial problem, namely the generation of balanced incomplete block designs. Experimental results show that these strategies achieve a reduction of up to two orders of magnitude in computational effort. Int erestingly, two previously developed strategies are shown to be particular instances of this approach.

Pedro Meseguer, and Carme Torras. 1999. Solving Strategies for Highly Symmetric CSPs. In Proceedings of the Sixteenth International Joint Conference on Artificial Intelligence, IJCAI-99. IJCAI, 400–404. https://ijcai.org/proceedings/1999/58
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