Knowledge engineers develop expert system which are programmed to make decision in real-life situations. Expert systems were created in the 1970s by computer scientist Edward Feigenbaum, a professor of computer science at Stanford University and the creator of the Knowledge Systems Laboratory at Stanford.
A computer software known as an expert system use artificial intelligence (AI) techniques to mimic the decision-making and actions of a person or group of people who have knowledge and experience in a certain field. Expert systems are often designed to support human experts rather than to replace them. MYCIN was a backward chaining expert system that could identify various bacteria that could cause acute infections.
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