Subject
Computer Science
Topic
Artificial Intelligence
What is the main function of the inference engine in an expert system?
What is the main function of the inference engine in an expert system?
a)
To store factsb)
To apply rules to known facts to deduce new factsc)
To communicate with usersd)
To translate user queriesExplanation
The inference engine is the reasoning part; it uses forward or backward chaining over the knowledge base.Related questions
A diagnosis system has thousands of rules but cannot justify its advice to a doctor. What component is missing?A monitoring system continuously receives sensor facts and must detect any applicable fault. Which strategy fits?A help desk asks whether one specific fault is present and then requests only relevant evidence. Which strategy fits?Two rules are enabled; one is more specific and one is general. Which policy often chooses the specific rule?Specialists disagree while rules are being encoded. What should happen before deployment?A medical expert system gives a confidence value with each recommendation. What does it communicate?A team has an inference engine and interface but no domain rules yet. What reusable product do they have?A user asks “Why did you request this symptom?” Which explanation should the system provide?
