Consistent Query Answering: The First Ten Years

  • Authors:
  • Jan Chomicki

  • Affiliations:
  • Dept. of Computer Science and Engineering, University at Buffalo, Buffalo NY 14260-2000

  • Venue:
  • SUM '08 Proceedings of the 2nd international conference on Scalable Uncertainty Management
  • Year:
  • 2008

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Abstract

Usually, the data in a database instance is supposed to be consistentand satisfy the database integrity constraints. However, it is quite common for the two to diverge. The data may fail to satisfy the constraints for various reasons: it may be erroneous, out of date, or come from mutually inconsistent sources.