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‫موجود‬ ‫حق‬
1
Presenting Group:
AAKASH KUMAR
(15 IT 29)
SYED MUZAMIL SHAH
(15 IT 53)
KOUSAR RAHEEM
(15 IT 17)
KAINAT NOOR
(15 IT 41)
MARIAM SHAIKH
(15 IT 22)
2
Our Goal:
 What is an Expert System?
 How does an Expert System work?
 Why we need Expert System?
 Applications
 Limitations
 Conclusion
 References
4
What is an Expert System?
5
≈
ExpertExpert System
What is an Expert System?
 Any software which behaves, advice or help you like
an expert is called an Expert System.1 .
 An Expert System is a computer system that emulates
the decision-making ability of a Human Expert.2
 Expert System consists of the rules and knowledge
from more than one Expert.3
6
What is an Expert System? (cont.)
 An Expert System contains accumulated experience
and set of rules for applying the knowledge to each
particular situation that is given by user as a query or
requirements of a particular problem.4
 Typically, Expert Systems are designed to solve
complex problems by reasoning about knowledge,
represented mainly as if-then rules rather than
through procedural code.5 .
7
How does an Expert System work? (cont.)
 User Interface:
 This is screen for user to receive the query or
requirements of problem. 6
 Inference (Rules) Engine:
 This is also known as brain of expert system which
contains the rules to solve a particular problem on the
behalf of knowledge from Knowledge Base.7
 Knowledge Base:
 Container of knowledge that is obtained from different
experts of a particular field while development.8
8
How does an Expert System work?
EXPERT SYSTEM
Knowle
dge
Bas
e
UI
(User
Interfac
e)
Inference
(Rules)
Engine
Query
Advice
Non Expert
(User)
Human
Expert
Why we need Expert System?
 Experts System know more than one expert.9
 Uses knowledge based on Expert’s past experience.10
 Doesn’t forget or make mistakes.11
 Available 24/7. 12
 Never retires. 13
 Cost effective. 14
10
Why we need Expert System? (Cont.)
11Worked 24 hours Worked 24 hours
55%
Accuracy
95%
Accuracy
Result ?
Applications of Expert System
Basic real time Expert Systems recently used:
12
. . . .
Applications of Expert System
 Medical Diagnosis Expert System
 Bank Manager Expert System
 Chase Game Player Expert System
 School Teacher Expert System
 Lawyer Expert System
 And many more…
13
Limitations
14
≈
Human ExpertExpert System
! =
but
Limitations
 In Expert System there is no common sense used in
making decisions.15
 It requires cost to buy and set up the system. 16
 They have lack of creative responses that human experts
are capable of. 17
 They are not able to learn from the mistakes. 18
 Expert System will need continuous updating, which can
take it temporarily out of use. 19
15
Conclusion
 Very interesting field of Artificial Intelligence.
 As an Expert has knowledge that help to advice,
same like that Expert Systems has knowledge base
that helps inference engine to advice.
 Expert System may result much better than an
human expert because it contains several expertise.
 When implemented correctly, expert systems may
remove human error.
 Expert system can be also used as a tool for
organizing researchers knowledge.
16
References
1. Expert System, Channel Swapnil Patni, Youtube.
https://www.youtube.com/watch?v=ouKa6ZK9ZkM
2. Expert System, Wikipedia.
https://en.wikipedia.org/wiki/Expert_system
3. Expert System, Channel Swapnil Patni, Youtube.
https://www.youtube.com/watch?v=ouKa6ZK9ZkM
4. Expert System, Wikipedia.
https://en.wikipedia.org/wiki/Expert_system
5. Expert System, Channel Swapnil Patni, Youtube.
https://www.youtube.com/watch?v=ouKa6ZK9ZkM
6. 7. 8. Expert System, Maragret Rouse, TechTarget,
http://searchhealthit.techtarget.com/definition/expert-system
17
References
9. 10. 11. 12. 13. 14.
Advantages of Expert System, Teach-ict,
http://searchhealthit.techtarget.com/definition/expert-system
15. 16. 17. 18. 19.
Disadvantages of Expert System, Teach-ict,
http://www.teachict.com/as_a2_ict_new/ocr/A2_G063/334_appl
ications_ict/expert_systems/miniweb/pg9.htm
18
19
Thank You!

20
Any Question?

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Expert system presentation

  • 2. Presenting Group: AAKASH KUMAR (15 IT 29) SYED MUZAMIL SHAH (15 IT 53) KOUSAR RAHEEM (15 IT 17) KAINAT NOOR (15 IT 41) MARIAM SHAIKH (15 IT 22) 2
  • 3.
  • 4. Our Goal:  What is an Expert System?  How does an Expert System work?  Why we need Expert System?  Applications  Limitations  Conclusion  References 4
  • 5. What is an Expert System? 5 ≈ ExpertExpert System
  • 6. What is an Expert System?  Any software which behaves, advice or help you like an expert is called an Expert System.1 .  An Expert System is a computer system that emulates the decision-making ability of a Human Expert.2  Expert System consists of the rules and knowledge from more than one Expert.3 6
  • 7. What is an Expert System? (cont.)  An Expert System contains accumulated experience and set of rules for applying the knowledge to each particular situation that is given by user as a query or requirements of a particular problem.4  Typically, Expert Systems are designed to solve complex problems by reasoning about knowledge, represented mainly as if-then rules rather than through procedural code.5 . 7
  • 8. How does an Expert System work? (cont.)  User Interface:  This is screen for user to receive the query or requirements of problem. 6  Inference (Rules) Engine:  This is also known as brain of expert system which contains the rules to solve a particular problem on the behalf of knowledge from Knowledge Base.7  Knowledge Base:  Container of knowledge that is obtained from different experts of a particular field while development.8 8
  • 9. How does an Expert System work? EXPERT SYSTEM Knowle dge Bas e UI (User Interfac e) Inference (Rules) Engine Query Advice Non Expert (User) Human Expert
  • 10. Why we need Expert System?  Experts System know more than one expert.9  Uses knowledge based on Expert’s past experience.10  Doesn’t forget or make mistakes.11  Available 24/7. 12  Never retires. 13  Cost effective. 14 10
  • 11. Why we need Expert System? (Cont.) 11Worked 24 hours Worked 24 hours 55% Accuracy 95% Accuracy Result ?
  • 12. Applications of Expert System Basic real time Expert Systems recently used: 12 . . . .
  • 13. Applications of Expert System  Medical Diagnosis Expert System  Bank Manager Expert System  Chase Game Player Expert System  School Teacher Expert System  Lawyer Expert System  And many more… 13
  • 15. Limitations  In Expert System there is no common sense used in making decisions.15  It requires cost to buy and set up the system. 16  They have lack of creative responses that human experts are capable of. 17  They are not able to learn from the mistakes. 18  Expert System will need continuous updating, which can take it temporarily out of use. 19 15
  • 16. Conclusion  Very interesting field of Artificial Intelligence.  As an Expert has knowledge that help to advice, same like that Expert Systems has knowledge base that helps inference engine to advice.  Expert System may result much better than an human expert because it contains several expertise.  When implemented correctly, expert systems may remove human error.  Expert system can be also used as a tool for organizing researchers knowledge. 16
  • 17. References 1. Expert System, Channel Swapnil Patni, Youtube. https://www.youtube.com/watch?v=ouKa6ZK9ZkM 2. Expert System, Wikipedia. https://en.wikipedia.org/wiki/Expert_system 3. Expert System, Channel Swapnil Patni, Youtube. https://www.youtube.com/watch?v=ouKa6ZK9ZkM 4. Expert System, Wikipedia. https://en.wikipedia.org/wiki/Expert_system 5. Expert System, Channel Swapnil Patni, Youtube. https://www.youtube.com/watch?v=ouKa6ZK9ZkM 6. 7. 8. Expert System, Maragret Rouse, TechTarget, http://searchhealthit.techtarget.com/definition/expert-system 17
  • 18. References 9. 10. 11. 12. 13. 14. Advantages of Expert System, Teach-ict, http://searchhealthit.techtarget.com/definition/expert-system 15. 16. 17. 18. 19. Disadvantages of Expert System, Teach-ict, http://www.teachict.com/as_a2_ict_new/ocr/A2_G063/334_appl ications_ict/expert_systems/miniweb/pg9.htm 18