Expert System

Question 1

expert system how it used

Answer 1

asks questions (ui)
user answers y/N
asks more questions based on answers
Explanation system explains how it got outcome
results are displayed on ui
inference engine checks knowledge base against rules base
knowledge base editor can update info

Question 2

Expert Systems can be used for

Answer 2

mineral processing
investment analysis
financial planning
insurance planning
car engine fault analysis
medical diagnosis
route scheduling for delivery vehicles
plant and animal identification

Question 3

adv of expert system

Answer 3

reduced staff cost
errors are reduced
cheaper to use expert system than hire and train staff
Expert system does not need breaks
Expert system gives better advice than human?

Question 4

disadvantage of expert system

Answer 4

Expert systems can’t apply common sense
Expert systems can’t cope with unusual situations
Initial purchase is high
Knowledge goes out of date
Need to pay maintenance costs

Question 5

Backward Chaining

Answer 5

Goal driven reasoning

Question 6

Forward Chaining