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Data federations allow the contents of multiple source databases to be accessed in a consistent manner. Since each source database is typically administered independently, heterogeneity often results, both in terms of how data is represented (i.e., the database schema), and in how controlled...
Rule-based Application Integration using XML
Technical report TR01-15. Application interoperability is a challenging problem because different applications assume different data types and control-of-processing models. Even when related applications are aggregated in so-called portals, it is up to the user of the portal to access the...
Technical report TR00-17. A system, DIVE-ON, was developed for visualizing and interacting with data from distributed data warehouses in an immersed virtual reality environment called a CAVE. The system provides navigation operations, OLAP manipulations, and data selection and filtering...