A synonym for Expert Information System A Brankch of Artificial Intelligence

1. Expert system and its
components
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2. What is expert….?
An attempt to perform human functions
through machines or devices
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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)
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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
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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)
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6. Key concept
 Problem solve by applying specific
knowledge rather than specific
techniques.
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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
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8. According to Astro Teller
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9. Use of expert system
 Control air traffic (PEO Aviation)
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10. Cont..
 Monitoring (nuclear
plants)
 Weather predictions
 Interpretation speech
 And many more …
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11. Cont….
 Finding solutions
through designing
computer programs
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12. Components of expert system
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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.
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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
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