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CHAPTER 2 : RULE-BASED EXPERT SYSTEM - Coggle Diagram
CHAPTER 2 : RULE-BASED EXPERT SYSTEM
Knowledge
A theoretical or practical understanding of a subject or a domain.
The sum of what is currently known, and apparently knowledge is power
Those who possess knowledge are called experts
Domain Expert
If he or she has deep knowledge (of both facts and rules) and strong practical experience in a particular domain.
The area of the domain may be limited
An expert is a skillful person who can do things other people cannot.
Rules consists of two parts
IF
part, called the
antecedent (premise or condition)
and the
THEN
part called the
consequent (conclusion or action)
Multiple antecedents joined by the keywords
AND (conjunction), OR (disjunction)
or a combination of both
The antecedent of a rule incorporates two parts:
an object (linguistic object) and its value.
The object and its value are linked by an operator
Operator such as is, are, is not, are not are used to assign a symbolic value
Members of the Expert System development team
Programmer
Project Manager
Knowledge engineer
He or she interviews the domain expert to find out how a particular problem is solved
Someone who is capable of designing, building and testing and expert system.
End-user
Domain expert
Knowledgeable and skilled person capable of solving problems in a specific area or domain
This expertise is to be captured in the expert system
This person has the greatest expertise in a given domain
expert must be able to communicate his or her knowledge, be willing to participate in the expert system development and commit a substantial amount of time to the project.