Proceedings

Extracting Constraint Satisfaction Subproblems

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Proceedings of the Fourteenth International Joint Conference on Artificial Intelligence. Constraint Satisfaction. Pages 548-556.

Abstract

Given a subproblem, S, of a constraint satisfaction problem, we can decompose the problem into a set of disjoint subproblems one of which will be S. This decomposition permits exploitation of problem-specific metaknowledge, a priori or acquired knowledge, about S. If we know that S is unsolvable, for example, the decomposition permits us to extract and then discard S, restricting the search for a solution to the remaining subproblems. A variety of potential uses for the decomposition method are discussed. A specific method that dynamically discards failed subproblems during forward checking search is described, and its utility demonstrated experimentally.

Eugene C. Freuder, and Paul D. Hubbe. 1995. Extracting Constraint Satisfaction Subproblems. In Proceedings of the Fourteenth International Joint Conference on Artificial Intelligence, IJCAI-95. IJCAI, 548–556. https://ijcai.org/proceedings/1995/72
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