chapter 5

Question 1

what is expert systems?

Answer 1

a computer program that accumulate knowledge from one or more domain experts and provide solution in specific area.

Question 2

list four characteristics of Expert system?

Answer 2

domain specific, they are interactive, easy to modify and cost effective alternative to human expert

Question 3

why and when we need expert system?

Answer 3

“perform equivalent to human expert and human experts are expensive and rare” and “to provide high potential payoff or reduce risk and when human expert aren’t available to in that area.”

Question 4

list at least five benefit of expert system?

Answer 4

efficient, documentation, easy to modify, permanency, reproducibility and use heuristic.

Question 5

list at list five common application area of expert system?

Answer 5

IMR, virus detection, shipping, marketing and help desk.

Question 6

list five limitation of expert system?

Answer 6

common sense, creativity, sensory experience, degradation and learning.

Question 7

list all the basic component and other component architecture of expert systems?

Answer 7

basic components “user interface, inference engine and knowledge base. “
other components “working memory, knowledge auction facility ,explanation subsystem and self-training facility .”

Question 8

Development of ES personnel ?

Answer 8

Domain experts, users, programmers and knowledge engieneer.

Question 9

list Knowledge engineering process

Answer 9

KA->KV->K analysis and KR->inference design->justification and explanation

Question 10

_____is the coaxing of information out of human expert.

Answer 10

knowledge elicitation