The nature of much information available to decision makers is vague and imprecise, be it information for human managers in organisations or for process agents in a distributed computer environment. Several models for handling vague and imprecise information in decision situations have been suggested. In particular, various interval methods have prevailed, i.e. methods based on interval estimates of probabilities and, in some cases, interval utility estimates. Even if these approaches in general are well founded, little has been done to take into consideration the evaluation perspective and, in particular, computational aspects and implementation issues. The purpose of this paper is to demonstrate a tool for handling imprecise information in decision situations. The tool is an implementation of our earlier research focussing on finding fast algorithms for solving bilinear systems of equations together with a graphical user interface supporting the interpretation of evaluations of imprecise data.
Keywords. Decision Analysis, Interval Probabilities, Utility Theory, Decision Tools
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Authors addresses:
Aron Larsson
Köpmangatan 32
SE-85232 Sundsvall
Mats Danielson
Electrum 230
SE-164 40 Kista
Love Ekenberg
Dept. of Computer and Systems Sciences
Stockholm University
Forum 100,
SE-164 40, Kista,
SWEDEN
Jim Johansson
Holmgatan 10
SE-85170 Sundsvall
E-mail addresses:
| Aron Larsson | aron.larsson@mhs.studit.com |
| Mats Danielson | mad@dsv.su.se |
| Love Ekenberg | lovek@dsv.su.se |
| Jim Johansson | jim.johansson@mh.se |
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