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Friday, January 30, 2015

Bayesian Networks as Expert Systems

Modeling causal reasoning is a favorite topic for me. Bayesia has posted another easy to understand demo of how a Bayesian network can be used to model a system of expertise.  Nicely done.  My former enterprise uses this methodology.  If how this fits into other expertise capture work is still confusing to you, this is a good place to start:

" ... Using a Bayesian Network as an Expert System ... 
The well-known "Visit Asia" example in this Quick Start Demo dates back to a seminal paper by Lauritzen and Spiegelhalter (1988). It describes how a Bayesian network can be used as an expert system for medical diagnosis. Visit Asia has been widely used in the literature to illustrate observational and causal inference in Bayesian networks. ... "

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