Expert System

724 views
405 views

Published on

A synonym for Expert Information System
A Brankch of Artificial Intelligence

Published in: Education
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
724
On SlideShare
0
From Embeds
0
Number of Embeds
2
Actions
Shares
0
Downloads
38
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Expert System

  1. 1. Expert system and its components University of Education, Okara Campus 1
  2. 2. What is expert….? An attempt to perform human functions through machines or devices University of Education, Okara Campus 2
  3. 3. What is expert system..? In artificial intelligence a computer software that emulates the behavior of human experts who are solving real world problems associated with a particular domain of knowledge (Pig ford & Braur) University of Education, Okara Campus 3
  4. 4. Cont…  Knowledge-based expert systems or simply expert systems  An expert system is software that attempts to reproduce the performance of one or more human experts, most commonly in a specific problem (Wikipedia)  Use human knowledge to solve problems that normally would require human intelligence  Represent the expertise knowledge as data or rules within the computer University of Education, Okara Campus 4
  5. 5. Cont…  Can explains reasoning behind any solutions it finds An expert system is a system that employs human knowledge captured in a computer to solve problems that ordinarily require human expertise.(Turban) University of Education, Okara Campus 5
  6. 6. Key concept  Problem solve by applying specific knowledge rather than specific techniques. University of Education, Okara Campus 6
  7. 7. Artificial Intelligence & Expert System  Artificial intelligence The machine doing work as human being Astro teller: Artificial intelligence is the science of how to get machines to do the things as they do in movies (Transformer)  Expert system It is only a part of artificial intelligence University of Education, Okara Campus 7
  8. 8. According to Astro Teller University of Education, Okara Campus 8
  9. 9. Use of expert system  Control air traffic (PEO Aviation) University of Education, Okara Campus 9
  10. 10. Cont..  Monitoring (nuclear plants)  Weather predictions  Interpretation speech  And many more … University of Education, Okara Campus 10
  11. 11. Cont….  Finding solutions through designing computer programs University of Education, Okara Campus 11
  12. 12. Components of expert system University of Education, Okara Campus 12
  13. 13. Explanation  User Is consulting with system to get advise  User interface The code that control the dialogue between the user and the system.  Inference engine The reason behind a solution provided by this component (logic)  Knowledge base This component consist of facts and rules  Working storage The data which specific to a problem being solved. All these components are consist of device which is called shell. University of Education, Okara Campus 13
  14. 14. Example Software  LITHIAN Gives advice to archeologists for examining stone tools.  Dendral use to identify the structure of a chemical compounds first use in (1965)  Mycin It is also another example of expert system that use in medical field University of Education, Okara Campus 14

×