Expert System

What Does Expert System Mean?

An expert system is a computer program that is designed to emulate and mimic human intelligence, skills or behavior.

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It is mainly developed using artificial intelligence concepts, tools and technologies, and possesses expert knowledge in a particular field, topic or skill.

Techopedia Explains Expert System

An expert system is typically designed to provide capabilities similar to those of a human expert when performing a task. Moreover, it can be used to drive vehicles, provide financial forecasts or do things that human experts do.

An expert system usually has two core components:

  • Knowledge base — This component consists of data, facts and rules for a certain topic, industry or skill, usually equivalent to that of a human expert.
  • Interference engine — This component uses the facts and rules in the knowledge base to find and learn new knowledge or patterns.
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Margaret Rouse

Margaret Rouse is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical, business audience. Over the past twenty years her explanations have appeared on TechTarget websites and she's been cited as an authority in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine and Discovery Magazine.Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages. If you have a suggestion for a new definition or how to improve a technical explanation, please email Margaret or contact her…