Distance-Based repairs of databases

  • Authors:
  • Ofer Arieli;Marc Denecker;Maurice Bruynooghe

  • Affiliations:
  • Department of Computer Science, The Academic College of Tel-Aviv, Israel;Department of Computer Science, Katholieke Universiteit Leuven, Belgium;Department of Computer Science, Katholieke Universiteit Leuven, Belgium

  • Venue:
  • JELIA'06 Proceedings of the 10th European conference on Logics in Artificial Intelligence
  • Year:
  • 2006

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Abstract

We introduce a general framework for repairing inconsistent databases by distance-based considerations. The uniform way of representing repairs and their semantics clarifies the essence behind various approaches to consistency restoration in database systems, helps to compare the underlying formalisms, and relates them to existing methods of defining belief revision operators, merging data sets, and integrating information systems.