Journal
Scientific and technical journal «Priborostroenie»
UDK004.8
Issue:3 (52)
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TRANSFORMATION OF SINGLY-CONNECTED BAYESIAN BELIEF NETWORKS INTO ALGEBRAIC BAYESIAN NETWORKS
Annotation
The paper presents the key steps of the algorithm which can transform uncertain knowledge patterns bases represented as singly-connected Bayesian belief networks (i.e. structured as a poly-tree) into the bases represented as algebraic Bayesian networks. The major part of this transformation successively performs calculation of join probability tensors based on already-known conditional probability tensors that are stored in the nodes of Bayesian belief networks. The transformation process is completed when join probability tensors are re-calculated into the set of probability estimates over elements of conjuncts ideals.
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