Question 5: Expert Systems
Given the following Database of Facts and Rules of an Expert System:
Database:
A, B
Rule Base:
Y -> Z
B -> X
A & X -> Y
a. Demonstrate the match fire procedure for backward chaining to prove Y. (4 marks)
b. Explain how this is different to forward chaining? (3 marks)
c. Describe conflict resolution giving an example rule that would cause this in the above Expert System. (3 marks)