1004 search results - page 64 / 201 » Safe Constraint Queries |
IJCAI
2003
13 years 10 months ago
2003
We solve the problem of obtaining answers to queries posed to a mediated integration system un der the local-as-view paradigm that are consistent wrt to certain global integrity...
FQAS
2004
Springer
14 years 21 days ago
2004
Springer
In the context of relational as well as deductive databases, correct and efficient integrity checking is a crucial issue, as, without any guarantee of data consistency, the answers...
VLDB
2000
ACM
14 years 16 days ago
2000
ACM
Strict consistency of replicated data is infeasible or not required by many distributed applications, so current systems often permit stale replication, in which cached copies of ...
ICLP
2005
Springer
14 years 2 months ago
2005
Springer
Abduction is usually carried out on partially-defined predicates. In this paper we investigate abduction applied to fully-defined predicates, specifically linear arithmetic cons...
FOCS
2003
IEEE
14 years 2 months ago
2003
IEEE
We give a complexity theoretic classification of homomorphism problems for graphs and, more generally, relational structures obtained by restricting the left hand side structure ...