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2007
Culberson, Joseph, Yang, Fan, Holte, Robert
Technical report TR07-06. The effectiveness of heuristics search is influnced by the accuracy of the heuristic values. State space abstractions have been proved to be effective for generating admissible heuristics. In this paper, A general definition for abstractions is given. As a demonstration...
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Spring 2011
In this thesis, we study theoretically and empirically the additive abstraction-based heuristics. First we present formal general definitions for abstractions that extend to general additive abstractions. We show that the general definition makes proofs of admissibility, consistency, and...