Data Integration With Many Heterogeneous Sources and Dynamic Target Schemas

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Provided by: RWTH Aachen University
Topic: Data Management
Format: PDF
Information integration is the general problem that arises in applications that need to consolidate (in a virtual or materialized way) data coming from different sources. In this paper, the authors consider a scenario for data integration, very common in practice, for which existing solutions are not effective. They refer to those applications where there are many (dozens or hundreds or even more) sources, in the same domain, that have to contribute to one, single global ("Target") system. A common case is that of "Central" organizations that receive data from a large set of "Local" companies or administrations; a specific case is that of a national central bank that receives data from all the banks in the country.
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