Completeness of integrated information sources

@article{Naumann2004CompletenessOI,
  title={Completeness of integrated information sources},
  author={Felix Naumann and Johann-Christoph Freytag and Ulf Leser},
  journal={Inf. Syst.},
  year={2004},
  volume={29},
  pages={583-615}
}
For many information domains there are numerous World Wide Web data sources. The sources vary both in their extension and their intension: They represent different real world entities with possible overlap and provide different attributes of these entities. Mediator-based information systems allow integrated access to such sources by providing a common schema against which the user can pose queries. Given a query, the mediator must determine which participating sources to access and how to… CONTINUE READING
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Cooperative query answering with density scores

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Some data integration and database issues in e-commerce (and world peace)

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