The Use of ISMAUT in Determining the Most-Preferred Package of Alternatives

by Chelsea C. White, III, Univ of Virginia, Charlottesville, VA, USA,
William T. Scherer, Univ of Virginia, Charlottesville, VA, USA,
Bradley S. Stewart, Univ of Virginia, Charlottesville, VA, USA,
Edward A. Sykes, Univ of Virginia, Charlottesville, VA, USA,

Document Type: Proceeding Paper

Part of: Risk-Based Decision Making in Water Resources


Multiattribute decision analysis serves as a useful model of alternative selection under risk. A specialized form of multiattribute decision analysis assumes that there is only one stage and one consequence for each action and uses a utility function that is additively independent. This approach has served as the basis for several computer-based, interactive decision aids. ISMAUT (Imprecisely Specified MultiAttribute Utility Theory) is one such aid that permits lowest level utility scores and trade-off weights to be described by linear inequalities. The desirable aspects of this knowledge representation is that it permits easy interpretation of many natural language statements of preference, the inclusion of pairwise comparisons of the alternatives, a progressive procedure for knowledge acquisition. and the determination of the most preferred alternative.

Subject Headings: Risk management | Computer analysis | Utilities | Feasibility studies | Permits | Comparative studies | Linear functions

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