Abstract: The integration of secure heterogeneous data has important significance to the sharing of secure information and collaborations
of secure businesses. It’s one of important aspects in the field of data integration. Based on the analysis of the current
situations of secure heterogeneous data，existing data integration modeling methods based on ontology and implementations
of collaborations of secure policies among heterogeneous systems are analyzed. Through the secure expansions of ontology language
OWLan ontology modeling method of secure heterogeneous data is proposed and has been verified by an example.