Ontology-based query processing for global information systems

  • Authors:
  • Eduardo Mena;Arantza Illarramendi

  • Affiliations:
  • University of Zaragoza, Spain;University of the Basque Country, Spain

  • Venue:
  • Ontology-based query processing for global information systems
  • Year:
  • 2001

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Abstract

Ontology-based query processing for global information systems describes an initiative for enhancing query processing in a global information system. The following are some of the relevant features: Providing semantic descriptions of data repositories using ontologies. Dealing with different vocabularies so that users are not forced to use a common one. Defining a strategy that permits the incremental enrichment of answers by visiting new ontologies. Managing imprecise answers and estimations of the incurred loss of information.