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Production system (Rule-based system (DENDRAL (Heuristics (Problem solving…
Production system
Rule-based system
DENDRAL
Heuristics
Problem solving
Experimental
Trial and error methods
Experience
Rule are generated
Hypothesise
Test strategy
Typical rule
IF
Condition
Then
Action/Conclusion
Reasoning process
Forward reasoning
Start with all known data
Backward reasoning
Start with given conclusion
Evaluation
Advantages
Simple syntax
Easy to
Understand
Implement
Add rule
Delete rule
Highly modular
Limitations
Inefficient for large systems
Difficult to test all rules in the system
Productions
Inference system
A model of human problem solving