42 search results - page 8 / 9 » Integrity Constraint Checking in Federated Databases |
CIKM
2004
Springer
13 years 10 months ago
2004
Springer
We study the representation, derivation and utilization of a special kind of constraints in multidatabase systems. A major challenge is when component database schemas are schemat...
DBPL
2003
Springer
13 years 10 months ago
2003
Springer
We consider the incremental validation of updates on XML documents. When a valid XML document (i.e., one satisfying some constraints) is updated, it has to be verified that the n...
VLDB
2002
ACM
13 years 4 months ago
2002
ACM
Extensibility is one of the mayor benefits of object-relational database management systems. We have used this system property to implement a StateMachine Module inside an object-...
ICDE
1995
IEEE
14 years 6 months ago
1995
IEEE
The model of flexible relations supports heterogeneous sets of tuples in a strongly typed way. The elegance of the standard relational model is preserved by using a single, generi...
ADC
2004
Springer
13 years 10 months ago
2004
Springer
A complete workflow specification requires careful integration of many different process characteristics. Decisions must be made as to the definitions of individual activities, th...