5 Questions
What is the primary function of the knowledge base in an expert system?
To provide a set of rules for problem solving
What is the structure of each rule in a rule-based expert system?
IF (condition) THEN (action)
What happens when the condition part of a rule is satisfied?
The rule is said to fire and the action part is executed
What is the primary function of the database in an expert system?
To provide a set of facts used to match against rules
What is the purpose of the IF (condition) part of a rule in a rule-based expert system?
To match against facts in the database
Study Notes
Expert Systems
- A knowledge base in an expert system contains domain knowledge useful for problem-solving.
Representation of Knowledge
- In a rule-based expert system, knowledge is represented as a set of rules.
- Each rule has an IF (condition) THEN (action) structure.
Rule Firing
- When the condition part of a rule is satisfied, the rule is said to fire.
- When a rule fires, the action part is executed.
Database
- The database includes a set of facts.
- The facts in the database are used to match against the IF (condition) parts of rules stored in the knowledge base.
This quiz covers the basics of rule-based expert systems, including the knowledge base, rule representation, and firing mechanisms.
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