Computer Studies·Expert systems · NSSCO 2.1.6
Expert systems: knowledge base, rule base & inference engine
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An expert system is a computer program that thinks like a human expert in one subject. In this lesson we open one up, look at its five parts, and see how it helps mechanics, geologists and nurses make better decisions.
What you'll learn in this lesson
By the end you should be able to (NSSCO Computer Studies 2.1.6):
- Describe an expert system
- Describe how expert systems are created, including the role of: the inference engine, the rule base, the knowledge base, human-machine interaction
- Describe the use of expert systems in: fault diagnosis (e.g. car engines, electronic devices), geological surveys, medical diagnosis
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