A Probabilistic Model For Uncertain Problem Solving
by Farley, Arthur M.
Technical Note 256
Institution: AI Center, SRI International
Address: 333 Ravenswood Ave., Menlo Park, CA 94025
Dec 1981.
With growing interest in the application of research to problems that arise in real-world contexts, issues raised by consideration of uncertain states and unreliable operators are receiving increased attention in artificial intelligence research. In this paper, a model is presented for dealing with such concerns. The model is a probabilistic generalization of the familiar notion of problem space. The specification of uncertain states and unreliable operators is discussed. Problem-solving search methods are described. The need for information gathering is established. Search methods are generalized to produce tree-structured plans incorporating the use of such operators. Several application domains for our model are discussed.
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