73 search results - page 5 / 15 » Repair localization for query answering from inconsistent da... |
LPNMR
2005
Springer
14 years 1 months ago
2005
Springer
We introduce a declarative approach for a coherent composition of autonomous databases. For this we use ID-logic, a formalism that extends classical logic with inductive definitio...
TC
1997
13 years 9 months ago
1997
In this paper we describe a new approach to repairing violations of integrity constraints in databases with null values. By adopting basic concepts from model-based diagnosis, we ...
IS
2008
13 years 7 months ago
2008
Consistent query answering is the problem of characterizing and computing the semantically correct answers to queries from a database that may not satisfy certain integrity constr...
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
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...
EDBTW
2006
Springer
13 years 11 months ago
2006
Springer
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...