A REVIEW OF KNOWLEDGE BASED SYSTEMS IN MEDICAL DIAGNOSIS

Knowledge based system incorporates the expert knowledge that has been coded into facts, rules, heuristics and procedures. The power of expert system resides in the specific, high-quality knowledge about task domain. Knowledge is stored in a knowledge base where it is possible to add new knowledge or refine the existing knowledge without recompiling the control and inference programs. Sophisticated expert systems can be enhanced with additions to the knowledge base or to the set of rules. Medical diagnosis is one of the first knowledge based area to which Expert System technology was applied. The primary objective of the paper is to survey the research work accomplished in the field of medical sector.

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