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31
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EDBTW
2006
Springer
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Software Engineering
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EDBTW 2006
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Semantically Correct Query Answers in the Presence of Null Values
14 years 3 months ago
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homepages.inf.ed.ac.uk
For several reasons a database may not satisfy a given set of integrity constraints (ICs), but most likely most of the information in it is still consistent with those ICs; and cou...
Loreto Bravo, Leopoldo E. Bertossi
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