Question
a.
A knowledge engineer has the job of extracting knowledge from an expert and building the expert system knowledge base.
b.
An expert system is a computer program that contains some of the subject-specific knowledge of one or more human experts.
c.
A rule-based system consists of a bunch of IF-THEN rules.
d.
In a backward chaining system you start with the initial facts, and keep using the rules to draw new conclusions (or take certain actions) given those facts.
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