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Sept. 4, 2006 to Sept. 8, 2006
ISBN: 0-7695-2641-1
pp: 425-429
Hendrik Decker , Ciudad Politecnica de la Innovacion, Spain
Davide Martinenghi , Free University of Bozen/Bolzano, Italy
Traditional methods for integrity checking in relational or deductive databases heavily rely on the assumption that data have integrity before the execution of updates. In this way, as has always been claimed, one can automatically derive strategies to check, in an incremental way, whether data preserve their integrity after the update. On the other hand, this consistency assumption greatly reduces applicability of such methods, since it is most often the case that small parts of a database do not comply with the integrity constraints, especially when the data are distributed or have been integrated from different sources. In this paper we revisit integrity checking from an inconsistency-tolerant viewpoint. We show that most methods for integrity checking (though not all) are still applicable in the presence of inconsistencies and may be used to guarantee that the satisfied instances of the integrity constraints will continue to be satisfied after the update.
Hendrik Decker, Davide Martinenghi, "Avenues to Flexible Data Integrity Checking", DEXA, 2006, Seventeenth International Conference on Database and Expert Systems Applications, Seventeenth International Conference on Database and Expert Systems Applications 2006, pp. 425-429, doi:10.1109/DEXA.2006.35
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