Structural, elicitation and computational issues faced when solving complex decision making problems with influence diagrams

Structural, elicitation and computational issues faced when solving complex decision making problems with influence diagrams

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Article ID: iaor2001799
Country: United Kingdom
Volume: 27
Issue: 7/8
Start Page Number: 725
End Page Number: 740
Publication Date: Jun 2000
Journal: Computers and Operations Research
Authors: , , ,
Keywords: practice, decision theory: multiple criteria
Abstract:

Influence diagrams have become a popular tool for representing and solving decision making problems under uncertainty. We show here some practical difficulties when using them to construct a medical decision support system. Specifically, it is hard to tackle issues related to the problem structuring, like the existence of constraints on the sequence of decisions, and the time evolution modeling; related to the knowledge-acquisition, like probability and utility assignment; and related to computational limitations, in memory storage and evaluation phases, as well as the explanation of results. We have recently developed a complex decision support system for neonatal jaundice management – a very common medical problem – encountering all these difficulties. In this paper, we describe them and how they have been undertaken, providing insights into the community involved in the design and solution of decision models by means of influence diagrams.

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