A Semi-automatic Technique for Constructing a Global Representation of Information Sources Having Different Formats and Structure

  • Authors:
  • Domenico Rosaci;Giorgio Terracina;Domenico Ursino

  • Affiliations:
  • -;-;-

  • Venue:
  • DEXA '01 Proceedings of the 12th International Conference on Database and Expert Systems Applications
  • Year:
  • 2001

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Abstract

In this paper we propose a semi-automatic technique for constructing a global representation of information sources having different formats and structures. The proposed technique exploits a conceptual model, called SDR-Network, for both uniformly representing and deriving the semantics of involved information sources. The global representation is enriched with two support structures which improve access transparency to stored information, namely a global semantic catalogue (or Metascheme) and a Set of Mappings, encoding the transformations carried out during the construction of the global representation.