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KwickClips Computer Systems · 43 sec · free

Which part holds facts?

Short answer. The knowledge base.

Which part applies the rules?

The inference engine.

Expert system

PartJob
Knowledge baseFacts
Rule baseIF-THEN rules
InferenceApplies rules
InterfaceTalks to user

Remember

Facts: knowledge base
Rules: rule base

Can you name all four parts? Here they are. Knowledge base: facts. Rule base: if then rules. The inference engine applies the rules. The interface talks to the user. Remember. Facts: knowledge base. Rules: rule base.

This clip is from the full lesson: AI: Characteristics, Expert Systems and Machine Learning — 8 minutes, with the tables, the quick answers and the whole lesson in text.

Useful for: Cambridge IGCSE Grade 9 Computer Science (0478), Cambridge IGCSE Grade 10 Computer Science (0478)

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