Completeness of integrated information sources

  title={Completeness of integrated information sources},
  author={Felix Naumann and Johann-Christoph Freytag and Ulf Leser},
  journal={Inf. Syst.},
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

  • F. Naumann, U. Leser
  • in: Proceedings of the International Conference…
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1 Excerpt

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

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  • Invited talk at the International Conference on…
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