Which expert system operating mode allows determining if a given hypothesis is valid?
Correct Answer: D
Explanation/Reference:
Explanation:
Backward chaining (or backward reasoning) is an inference method that can be described as working backward from the goal/hypothesis. It is used in automated theorem provers, inference engines, proof assistants and other artificial intelligence applications.
Incorrect Answers:
A: A blackboard system is an artificial intelligence application based on the blackboard architectural model, where a common knowledge base, the "blackboard", is iteratively updated by a diverse group of specialist knowledge sources, starting with a problem specification and ending with a solution.
B: Lateral chaining is not one of the expert system operating modes.
C: Forward chaining is the opposite of backward chaining. Forward chaining starts with the available data and uses inference rules to extract more data until a goal (hypothesis) is reached.
References:
https://en.wikipedia.org/wiki/Backward_chaining