On 5/1/2010 7:52 AM, Sashi Kumar wrote:
i have doubt, are rule engine and inference engine same thing??? or rule engine is a inference engine??
There are many different types of inference engines out there, like Prolog environments, theorem provers, constraint solvers, etc. Most of these only create new facts from the results of their inference.
Even though all inference engines use some form of rules, a "rule" engine typically implies a "production rule" engine: A production rule forward-chains LHS inferences into RHS imperative actions. RETE is the most common algorithm to implement a production rule engine in practice.
In the grand scheme of things, I classify rule engines as one type of inference engine. There are plenty of inference engines which are not "rule engines".
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