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Which representation suits knowledge stated as a small fixed set of conditions and actions?

  • A.A decision table
  • B.A frame hierarchy, in which specific concepts inherit the slots defined on general concepts
  • C.A semantic network
  • D.A blackboard, on which several independent knowledge sources contribute to a shared solution

Answer: A

A decision table lists every combination of a few conditions against the action each requires, which is compact, easy to check for completeness and easy to convert into rules. Frames, networks and blackboards address structure, relations and cooperation. The table's chief virtue is that missing and contradictory combinations are visible at a glance, which is exactly what verification of a rule base struggles to achieve. Framing the question as which quantity the change acts upon makes the answer follow without calculation.

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