Agent-based middleware for grid data integration

In a specific application domain,the grid data management needs to integrate existing databases.The distributed,heterogeneous and autonomous existing databases in the field of oil gas exploration and development being taken as main study objects,a grid data integration middleware based on the basic data management function of a grid middleware is put forward by means of multi-agent technique.The structure model of the integration and access agent,the key module of the middleware,is discussed in detail.The message passing format and the communication and cooperation method between agents are presented.