Abstract:SUMMARYModern persistent applications typically run on top of numerous (often hundreds) of distributed, heterogeneous databases. Integrating data from various data sources in order to provide uniform, homogeneous, and consistent access to the data from the underlying data sources while preserving the integrity and autonomy of preexisting data sources is a huge problem, especially in evolving environments. The main issue that a global information sharing system has to address is heterogeneity on all levels of t… Show more
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