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Constructing Efficient Belief Network Structures With Expert Provided Information
February 1996 (vol. 8 no. 1)
pp. 134-143

Abstract—We present a technique to construct efficient belief network structures for application areas where large amounts of data are available and information on the ordering of the variables can be obtained from domain experts. We identify classes of networks that are efficient for propagating beliefs. We formulate the problem as one of determining the belief network representation from a given class that best represents the data. We use the I-Divergence measure which is known to have certain desirable properties for evaluating different approximations. We present some theoretical findings that characterize the nature of solutions that are obtained. These theoretical results lead to an efficient solution procedure for finding the best network representation. We also discuss other information that may be reasonably obtained from experts, and show how such information leads to improving the efficiency of the technique to find the best network structure.

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Index Terms:
Belief networks, expert systems, information theory, knowledge acquisition, probabilistic reasoning, scoring rules.
Citation:
Sumit Sarkar, Ishwar Murthy, "Constructing Efficient Belief Network Structures With Expert Provided Information," IEEE Transactions on Knowledge and Data Engineering, vol. 8, no. 1, pp. 134-143, Feb. 1996, doi:10.1109/69.485642
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