Programming expert systems in OPS5: an introduction to rule-based programming
Programming expert systems in OPS5: an introduction to rule-based programming
The role of frame-based representation in reasoning
Communications of the ACM
CLASP: Integrating Term Subsumption Systems and Production Systems
IEEE Transactions on Knowledge and Data Engineering
PAD-BASED expert system in small computer
SAC '94 Proceedings of the 1994 ACM symposium on Applied computing
Using a Description Classifier to Enhance Knowledge Representation
IEEE Expert: Intelligent Systems and Their Applications
IEEE Expert: Intelligent Systems and Their Applications
The description logic handbook
Expert Systems with Applications: An International Journal
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The problems encountered in applying object-oriented programming to expert systems are described. A production system called Clasp, which addresses these difficulties, is presented. Clasp integrates methods, production rules, and terminological definitions for classes. The approach is a further generalization of Common Loops and the Common Lisp Operating System, which have all extended notion of methods in which all argument types can describe the applicability of methods. The system was designed to improve the modularity and reusability of the rule base, to support the development of a more consistent and homogeneous knowledge base, and to enhance the predictability of rules.