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Interactive structural learning of Bayesian networks
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DOI：10.1016/S0957-4174(98)00050-5.png)
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Abstract
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We propose an hybrid approach for structure learning of Bayesian networks, in which a computer system and a human expert cooperate to search for the best structure. The system builds an initial tree structure which is graphically presented to the expert, and then the expert can modify this structure according to his knowledge of the domain. The system has several tools for aiding the human in this task: it allows for graphical editing (adding, deleting, inverting arcs) of the network, it shows graphically the correlation between variables, and it gives a measure of the quality and complexity for each structure. A measure which combines both quality and complexity, that we call quality, is defined. We have tested the tool in two domains: atmospheric pollution and car insurance, with good results. (C) 1998 Elsevier Science Ltd. All rights reserved.
Keywords:
learning
Bayesian networks
MDL
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