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- W1854407858 abstract "At present, most of the algorithms for learning Bayesian Networks (BNs) use EM algorithm to deal with incomplete data. They are of low efficiency because EM algorithm has to perform iterative process of probability reasoning to complete the incomplete data. In this paper we present an efficient BN learning algorithm, which use the combination of EMI method and a scoring function based on mutual information theory. The algorithm first uses EMI method to estimate, from incomplete data, probability distributions over local structures of BNs, then evaluates BN structures with the scoring function and searches for the best one. The detailed procedure of the algorithm is depicted in the paper. The experimental results on Asia and Alarm networks show that when achieving high accuracy, the algorithm is much more efficient than two EM based algorithms, SEM and EM-EA algorithms." @default.
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- W1854407858 date "2007-07-16" @default.
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- W1854407858 title "Learning Bayesian Networks Based on a Mutual Information Scoring Function and EMI Method" @default.
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- W1854407858 doi "https://doi.org/10.1007/978-3-540-72393-6_50" @default.
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