Case-based reasoning
Inside Case-Based Reasoning
The Application of Artificial Intelligence in the Field of Chemical Regulation
IAAI '91 Proceedings of the The Third Conference on Innovative Applications of Artificial Intelligence
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ChemReg is a large knowledge-based system used by Air Products and Chemicals, Inc. to support compliance with regulatory requirements for communicating health and safety information in the shipping and handling of chemical products. This presentation concentrates on one of the knowledge bases in this system: the case-based reasoner. The case-based reasoner addresses the issue, How can proper communication of public health and safety information be insured while allowing for rapid and costeffective product evaluation in the absence of actual hazard testing of the product? Estimates of hazard data from similar products are generated for new products using an existing relational database as a case library. Implementation of the cased-based reasoner in rules and objects using a commercial KBS shell is described. While some refinements remain, the performance of the casebased reasoner has met expectations.