Expert system
A computer program that behaves like an expert consultant in predictions of outcomes or events and diagnosing problems. It performs this function by referral to a large database of specific knowledge in a specialized area and using structured rules of inference to draw conclusions.
An outgrowth of artificial intelligence research lead to the development of the first expert system called Dendral a program that was used in chemical analysis and was designed by Edward Feigenbaum of Stanford University in the 1960's. In 1975, another expert system program was introduced named Mycin was developed that diagnoses bacterial infections. By the end of the 1980s, several thousand such expert systems had been created for diverse purposes such as credit risks, configuration of computer networks and providing mechanics with advise.
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