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Constructing efficient belief network structures with expert provided information

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2 Author(s)
Sarkar, S. ; Dept. of Inf. Syst. & Decision Sci., Louisiana State Univ., Baton Rouge, LA, USA ; Murthy, I.

Presents 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

Published in:

Knowledge and Data Engineering, IEEE Transactions on  (Volume:8 ,  Issue: 1 )

Date of Publication:

Feb 1996

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