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First-order query rewriting for inconsistent databases

Journal of Computer and System Sciences, no. 4 (2007): 610-635

Cited: 125|Views51
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Abstract

We consider the problem of retrieving consistent answers over databases that might be inconsistent with respect to some given integrity constraints. In particular, we concentrate on sets of constraints that consist of key dependencies. Most of the existing work has focused on identifying intractable cases of this problem. In contrast, in ...More

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