vRules4j--Object Oriented Java Object Validation/Decision Rule engin
vRules4j--The best completely Object Oriented Java Object Validation/Decision Rule engine,which is born for taking over all validation responsibility in java business-enterprise industry and looking forward to providing Perfect/Lightweight solution.
The Common Lisp Reasoner extends the Common Lisp Object System (CLOS) to incorporate a powerful rule language suitable for all kinds of reasoning tasks, vanilla XML and RDF/XML interfaces, and support for a variety of AI-related applications, such as scheduling, planning and diagnosis.