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» Consistent Query Answers in Inconsistent Databases
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PODS
1999
ACM
153views Database» more  PODS 1999»
13 years 9 months ago
Consistent Query Answers in Inconsistent Databases
In this paper we consider the problem of the logical characterization of the notion of consistent answer in a relational database that may violate given integrity constraints. Thi...
Marcelo Arenas, Leopoldo E. Bertossi, Jan Chomicki
GIS
2008
ACM
14 years 6 months ago
An inconsistency tolerant approach to querying spatial databases
In order to deal with inconsistent databases, a repair semantics defines a set of admissible database instances that restore consistency, while staying close to the original insta...
Leopoldo E. Bertossi, Mónica Caniupá...
DAGSTUHL
2003
13 years 6 months ago
Query Answering in Inconsistent Databases
In this chapter, we summarize the research on querying inconsistent databases we have been conducting over the last five years. The formal framework we have used is based on two c...
Leopoldo E. Bertossi, Jan Chomicki
ICDT
2003
ACM
202views Database» more  ICDT 2003»
13 years 10 months ago
Condensed Representation of Database Repairs for Consistent Query Answering
Abstract. Repairing a database means bringing the database in accordance with a given set of integrity constraints by applying modifications that are as small as possible. In the ...
Jef Wijsen
ICDT
2005
ACM
128views Database» more  ICDT 2005»
13 years 10 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