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Erschienen in:
2009 | OriginalPaper | Buchkapitel
Revisiting Constraint Models for Planning Problems
verfasst von : Roman Barták, Daniel Toropila
Erschienen in: Foundations of Intelligent Systems
Verlag: Springer Berlin Heidelberg
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Planning problems deal with finding a sequence of actions that transfer the initial state of the world into a desired state. Frequently such problems are solved by dedicated algorithms but there exist planners based on translating the planning problem into a different formalism such as constraint satisfaction or Boolean satisfiability and using a general solver for this formalism. The paper describes how to enhance existing constraint models of planning problems by using techniques such as symmetry breaking (dominance rules), singleton consistency, nogoods, and lifting.