Uncertainty in Artificial Intelligence
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A New Algorithm for Finding MAP Assignments to Belief Networks
Solomon Shimony, Eugene Charniak
We present a new algorithm for finding maximum a-posterior) (MAP) assignments of values to belief networks. The belief network is compiled into a network consisting only of nodes with boolean (i.e. only 0 or 1) conditional probabilities. The MAP assignment is then found using a best-first search on the resulting network. We argue that, as one would anticipate, the algorithm is exponential for the general case, but only linear in the size of the network for poly trees.
Pages: 98-105
PS Link:
PDF Link: /papers/90/p98-shimony.pdf
AUTHOR = "Solomon Shimony and Eugene Charniak",
TITLE = "A New Algorithm for Finding MAP Assignments to Belief Networks",
BOOKTITLE = "Proceedings of the Sixth Conference Annual Conference on Uncertainty in Artificial Intelligence (UAI-90)",
ADDRESS = "Corvallis, Oregon",
YEAR = "1990",
PAGES = "98--105"

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