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Decision-model construction with multilevel influence diagrams

Published online by Cambridge University Press:  17 January 2001

X. WU  and
K. L. POH
X. WU
Affiliation:
Department of Industrial & Systems Engineering, National University of Singapore, 10 Kent Ridge Crescent, Singapore 119260. Email: [email protected], [email protected] Also at Kent Ridge Digital Laboratories, 21 Heng Mui Keng Terrace, Singapore 119613
K. L. POH
Affiliation:
Department of Industrial & Systems Engineering, National University of Singapore, 10 Kent Ridge Crescent, Singapore 119260. Email: [email protected], [email protected]
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Abstract

We propose an approach to knowledge-based decision-model construction. The domain knowledge is represented in the form of multilevel influence diagrams. At each level, a regular influence diagram representing a decision model may be generated and the influence diagrams between the levels are related through a series of operations. We defined eight such operations and show that these are sufficient at the structural level to construct any target influence diagram in any practical situation. We provide a series of examples drawn from different domains on the use of multilevel influence diagrams for model construction. We also propose suggestions on providing users with guidance that can direct the model-construction procedure towards the best target model.

Type
Review Article
Information
The Knowledge Engineering Review , Volume 15 , Issue 3 , September 2000 , pp. 233 - 256
Copyright
© 2000 Cambridge University Press

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