29 search results - page 2 / 6 » Consistent Query Answering By Minimal-Size Repairs |
SCCC
2005
IEEE
13 years 10 months ago
2005
IEEE
Databases may not satisfy integrity constraints (ICs) for several reasons. Nevertheless, in most of the cases an important part of the data is still consistent wrt certain desired...
ICDT
2003
ACM
13 years 10 months ago
2003
ACM
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 ...
ICDT
2009
ACM
14 years 5 months ago
2009
ACM
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...
PODS
1999
ACM
13 years 9 months ago
1999
ACM
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...