Emerging Paradigms (‘70’s - ‘80’s)

• Semantic nets

• Frames

• Production rule systems

  • If-then inference rules
    • If (warning-light on) then (engine overheating)
    • If (warning-light on) then ((engine overheating) 0.95)
  • Situation-action rules
    • If (warning-light on) then (turn-off engine)
  • Hybrid procedural-declarative representation
  • Basis for expert systems

• Qualitative Physics

• Predicate logic

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