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Definition

Expert system (ES)

Expert systems are systems incorporate the knowledge and problem solving skills of a human expert, such as a physician, a nuclear scientist, or an automotive engineer. These systems are branch of Artificial intelligence (AI).

An expert system has three main components:

 - a knowledge base,

 - an inference engine, and

 - a user interface.


Expert system is the computer program that imitates human thinking through complicated sets of “if-then” rules.


Expert system allows computer software that imitates human thinking and offers advice on or solution to complex problems.

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