Intelligent decision support systems based on SMILE
- Author:
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Marek J. Druzdzel
Decision Systems Laboratory
School of Information Sciences
and Intelligent Systems Program
University of Pittsburgh
135 North Bellefield Avenue
Pittsburgh, PA 15260, U.S.A.
e-mail: marek@sis.pitt.edu
-
Abstract:
-
In this article I share with the readers the basics of and the
principles behind intelligent decision support systems based on the
theoretically sound principles of probability theory and decision
theory.
Recent advances in probability theory have led to the
development of graphical models that are capable of modeling the causal
structure of systems, well understood by human experts, and at the same
time give such structure a sound, probabilistic interpretation.
Graphical models can serve as a convenient basis for modeling domains
that involve high degree of uncertainty and also reasoning with them.
Examples of problems that are addressed by systems based on graphical
models include computer vision, robotics, pattern matching, medical
diagnosis and therapy planning, machine diagnosis, and even on-line
help.
Microsoft Corporation uses graphical models inside the Windows
operating system, in troubleshooting, and in user interfaces, such as
on-line Office help and junk mail filtering in Outlook.
The graphical models methodology is implemented in a general purpose
decision modeling system SMILE and its Windows user interface, GeNIe,
developed at the Decision Systems Laboratory.
I try to give the readers a flavor of GeNIe models and building
systems based on the SMILE library.
The paper is available in
PDF (150KB)
format.
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Last update: 6 May 2005