Xianxia Zou

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Schema integration is an important discipline for constructing a heterogeneous database system. The task becomes particularly challenging when involves the resolution of naming, structural and semantic conflicts. We present a method to integrating tables with structural conflict via the global metadata database (GMDB) and rule base. The method let user pose(More)
Distributed data processing and information integration system usually involve join queries which are based on base relations of the data source. These queries could be repeatedly used so the results of each join query could be very large. Therefore how to reduce the induced traffic will affect the overall performance of the distributed system or(More)
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