Which expert system operating mode allows determining if a given hypothesis is valid?

Question

Options

• ABlackboard
• BLateral chaining
• CForward chaining
• DBackward chaining

• B
  9% (3)
• C
  3% (1)
• D
  88% (29)

Explanation

Backward-chaining mode - the expert system backtracks to determine if a given hypothesis is valid. Backward-chaining is generally used when there are a large number of possible solutions relative to the number of inputs. Incorrect answers are: In a forward-chaining mode, the expert system acquires information and comes to a conclusion based on that information. Forward-chaining is the reasoning approach that can be used when there is a small number of solutions relative to the number of inputs. Blackboard is an expert system-reasoning methodology in which a solution is generated by the use of a virtual blackboard, wherein information or potential solutions are placed on the blackboard by a plurality of individuals or expert knowledge sources. As more information is placed on the blackboard in an iterative process, a solution is generated. Lateral-chaining mode - No such expert system mode.

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