Application and Construction of Knowledge Base in the Field of Teaching Based on Ontology

The construction of teaching knowledge base helps knowledge to be searched and shared.Introducing ontology in the construction of teaching knowledge base and analyzing the function and structure of the computer graphic,constructs the ontology of the teaching knowledge base and provides semantic space.It is not only beneficial to share and reuse the knowledge concept but also achieve the searching of knowledge based on the ontology.Therefore,the study of teaching knowledge base based on ontology is of profound theoretical and practical significance.