VI.APPLICATION OF KNOWLEDGE REPRESENTATION MODEL
AND INFERENCE PROCESS
The knowledge representation model and inference process
were used in the disease diagnosis.
A. Disease screening
Example of disease screening rule usage is presented as
follows.
When a user input gender, age range and the symptoms:
gender was female, age range was breeding,
symptoms were Abortion ( ), Dyspnea (
),
Weight loss (), Congestion mouth and muzzle(),
Milk loss (
), Dark urine ().
What disease did the dairy cow have?
From our expert system, the input data matched with
seventeen rules. In this case, we present only three rules
which had combined evidence (E) in descending order as
follows.