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Which approach solves a new problem by adapting an old one?

  • A.Forward chaining
  • B.Meta-level reasoning, which reasons about which of the available strategies should be used
  • C.Case-based reasoning
  • D.Model-based reasoning, which predicts behaviour from the structure of the device concerned

Answer: C

Case-based reasoning retrieves the most similar stored case, adapts its solution to the new situation, tests the result and retains it as a new case. It suits domains where experience is plentiful but general rules are hard to state, such as law and helpdesk support. Model-based reasoning, chaining and meta-reasoning are different. Its retain step gives it a learning capability rule bases lack. A single measurement chosen to respond to the one asymmetry beats several that respond to shared behaviour.

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