Introduction of Petri Net Knowledge Representation to Diagnosis Expert System of Animal Disease

摘要

Animal disease diagnosis expert systems,which have attracted much interest of researchers,provide farmers,vets etc.with an automatic tool for diagnosis of animal disease,and can also help to manage medical records,spread veterinary knowledge and play a role in coruputer aided tutorial.This paper introduces a Petri nets knowledge representation tool to animal disease diagnosis expert systems.Petri nets knowledge representation method has been researched widely by many knowledge representation researchers.However,it is a novel method in the animal disease diagnosis field.The concept of Petri nets is introduced and a simple method for knowledge representation is presented as well as reasoning algorithm.The advantages of Petri nets knowledge representation are discussed and an illustration is given to show how it works.