Research on semantic heterogeneous data integration method based on ontology
Zhao Ying-qiu · Information technology newsletter · 2010
The heterogeneous data in enterprise and among enterprises are more and more,and how to share the data each other effectively becomes hot issue.This paper discussed the integration method of heterogeneous data based on ontology,and presented the framework of the system.It focused on extraction and query decomposition of ontology,and gave the detailed rule of extraction,optimized the query process by importing the mappings between the concept and the datasource,and solved the problem of semantic heterogeneity.