In an expert system, a knowledge base is a set of logical judgments that are applied to the inference rules each time a user describes a situation to the expert system.

Question

Quizplus · Accepted Answer

A knowledge base in an expert system is a collection of facts and rules about a specific domain of knowledge, not just a set of logical judgments applied to inference rules. The inference engine applies these rules to the facts stored in the knowledge base to deduce new information or make decisions.

In an Expert System, a Knowledge Base Is a Set