'''C Language Integrated Production System'''.

A LogicProgrammingLanguage using ForwardChaining instead of the BackwardChaining (BackTracking?) of PrologLanguage.  Has sexp syntax (but not entirely lisp-like), and includes an OO system called COOL based on generic methods similar to CLOS.

Most commonly used for expert systems.
* http://www.ghg.net/clips/CLIPS.html
* http://www.ghg.net/clips/WhatIsCLIPS.html

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Somewhat old and no longer in common use.  Successors include Algernon-J (for Java), and Jess (non-free, also for Java).

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CategoryProgrammingLanguage