I came accross this term somewhere on the web , might be someone’s status message or something. Just felt like finding out what it was all about.
Its something to do with probability and graph theory.Programmed into computers, these Bayesian systems can automatically generate optimal predictions or decisions even when key pieces of information are missing.
Microsoft is said to be using Bayesian systems in its system design.Google is also using a Bayesian Spam filter.
Further reading
http://www.cs.ubc.ca/~murphyk/Bayes/la.times.html
http://www.cs.ubc.ca/~murphyk/Bayes/bnintro.html
http://directory.google.com/Top/Science/Math/Statistics/Bayesian_Analysis/