Theory of ontology and land use ontology construction

摘要

It mainly presents the problems of data share in land use database construction. How to accurately define geographic classification expression and how to quickly and accurately express the user demand are plaguing problems of information system developer. The introduction of ontology and relevant technologies address the problem with a brand new perspective and provide a strong theoretical and methodological support. From the relevant ontology theoretical study, this paper summarizes the essence of the concept of ontology; and explores the type, role, method, formalization expression and tools of ontology. On the basis of existing research, the paper brings forward 5-step method of ontology building and then uses this method to build ontology in land use database construction. It also puts forward the notion model of land use database based on ontology.