Research and Implement of Data Integration Based on Metabase Model in CWM

Through the comprehensive analysis of data management of all current information systems under the distributed environment, comparing with existing metadata management solutions in technology and application, describes the characteristic of metadata, introduces the architecture of CWM, proposes the metadata integration on CWM. The data integration shields the difference of different data, offers unified expression, storage and management through the unified operation model. Meanwhile, provides a simple model on the basis of XML data integration.