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» First-Order Query Rewriting for Inconsistent Databases
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ICDT
2005
ACM
128views Database» more  ICDT 2005»
13 years 9 months ago
First-Order Query Rewriting for Inconsistent Databases
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 o...
Ariel Fuxman, Renée J. Miller
SIGMOD
2005
ACM
228views Database» more  SIGMOD 2005»
14 years 4 months ago
ConQuer: Efficient Management of Inconsistent Databases
Although integrity constraints have long been used to maintain data consistency, there are situations in which they may not be enforced or satisfied. In this paper, we present Con...
Ariel Fuxman, Elham Fazli, Renée J. Miller
ICDT
2009
ACM
198views Database» more  ICDT 2009»
14 years 5 months ago
Consistent query answering under primary keys: a characterization of tractable queries
This article deals with consistent query answering to conjunctive queries under primary key constraints. The repairs of an inconsistent database db are obtained by selecting a max...
Jef Wijsen