Titlebook: Generating Abstraction Hierarchies; An Automated Approac Craig A. Knoblock Book 1993 Springer Science+Business Media New York 1993 STRIPS.a

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Book 1993sionof the PRODIGY problem solver. .Generating AbstractionHierarchies. formally defines this hierarchical problem solvingmethod, shows that under certain assumptions this method can reducethe size of a search space from exponential to linear in the solutionsize, and describes the implementation of t

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Mukunda Mishra,Soumendu Chatterjeed. A problem consists of an ., which describes the initial configuration of the world, and a ., which describes the desired configuration. To solve a problem, a problem solver must find a sequence of operators that transform the initial state into a state that satisfies the goal.

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Contraceptive care of the older patient,n of a problem the use of hierarchical problem solving can produce an exponential-to-linear reduction in search, and it provided comprehensive empirical results which demonstrate that the generated abstractions produce better solutions with significantly less search in several different problem domains.

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Book 1993ated using a tractable, domain-independentalgorithm whose only inputs are the definition of a problem space andthe problem to be solved and whose output is an abstraction hierarchythat is tailored to the particular problem. The algorithm generatesabstraction hierarchies that satisfy the `ordered mon

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