With coming of the digital and networked era. The digital campus is urgent.The database in the campus has different forms.How to integrate the disparated data to share information in order to prevent "information silos"from appearing of "digital campus"is the primary problem.This paper introduces the digital campus is the significance of data integration and data integration technology for analysis and discussion of the current general framework.for heterogeneous data integration, and finally propose an XML-based heterogeneous data integration solutions.%随着数字化、网络化时代的来临,校园数字化已经迫在眉睫.文章介绍了数字化校园中数据集成的意义及对数据集成技术进行分析,对于校园中形式各异的数据库,如何将这些异构的数据集成起来进行信息共享,防止出现“信息孤岛”,是目前校园所要解决的首要问题.文章提出了一种基于XML的异构数据集成方案,讨论了目前异构数据集成的一般框架.
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