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» Query Answering in Inconsistent Databases
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ICDT
2009
ACM
198views Database» more  ICDT 2009»
14 years 8 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
IDEAS
2003
IEEE
122views Database» more  IDEAS 2003»
14 years 27 days ago
Preferred Repairs for Inconsistent Databases
The objective of this paper is to investigate the problems related to the extensional integration of information sources. In particular, we propose an approach for managing incons...
Sergio Greco, Cristina Sirangelo, Irina Trubitsyna...
ICDT
2009
ACM
135views Database» more  ICDT 2009»
14 years 2 months ago
Repair checking in inconsistent databases: algorithms and complexity
Managing inconsistency in databases has long been recognized as an important problem. One of the most promising approaches to coping with inconsistency in databases is the framewo...
Foto N. Afrati, Phokion G. Kolaitis
ICDE
2006
IEEE
141views Database» more  ICDE 2006»
14 years 9 months ago
Clean Answers over Dirty Databases: A Probabilistic Approach
The detection of duplicate tuples, corresponding to the same real-world entity, is an important task in data integration and cleaning. While many techniques exist to identify such...
Ariel Fuxman, Periklis Andritsos, Renée J. ...
ICDE
2007
IEEE
134views Database» more  ICDE 2007»
14 years 9 months ago
Efficient Top-k Query Evaluation on Probabilistic Data
Modern enterprise applications are forced to deal with unreliable, inconsistent and imprecise information. Probabilistic databases can model such data naturally, but SQL query eva...
Christopher Re, Nilesh N. Dalvi, Dan Suciu