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Please use this identifier to cite or link to this item: http://hdl.handle.net/1808/152
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Title: Representing Asymmetric Decision Problems Using Coarse Valuations
Authors: Liu, Liping
Shenoy, Prakash P.
Keywords: Decision support systems
Expert systems
Belief functions
Asymmetric decision problems
valuation-based systems
Issue Date: Apr-2004
Publisher: Elsevier Science Publishers B. V.
Extent: 280839 bytes
Type: Article
Citation: Decision Support Systems, Vol. 37, Issue 1, 2004, pp. 119--135.
Abstract: A valuation-based system approach to knowledge representation has shown its advantages in improving computational efficiency and in allowing many decision models including belief networks. This study applies the Dempster–Shafer theory of belief functions and extends its framework to allow coarse valuations, which admit incomplete specification of probabilities and utilities and, therefore, are more flexible in representing asymmetric decision problems. It presents an algorithm for making inferences and decisions in systems using coarse valuations. It shows that a coarse valuation-based system provides a most natural and compact representation of decision problems.
URI: http://hdl.handle.net/1808/152
ISSN: 0167-9236
Appears in Collections:School of Business Articles

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