54 search results - page 8 / 11 » Integrity Constraints Checking In Deductive Databases |
PODS
2001
ACM
14 years 8 months ago
2001
ACM
The paper investigates XML document speci cations with DTDs and integrity constraints, such as keysand foreign keys. We study the consistency problem of checking whether a given s...
SIGMOD
2003
ACM
14 years 8 months ago
2003
ACM
We propose a framework for integrating data from multiple relational sources into an XML document that both conforms to a given DTD and satisfies predefined XML constraints. The f...
JAPLL
2010
13 years 7 months ago
2010
Answering queries over an incomplete database w.r.t. a set of constraints is an important computational task with applications in fields as diverse as information integration and ...
CORR
2002
Springer
13 years 8 months ago
2002
Springer
We address the problem of minimal-change integrity maintenance in the context of integrity constraints in relational databases. We assume that integrity-restoration actions are li...
WEBI
2001
Springer
14 years 1 months ago
2001
Springer
In the proposed data model for XML databases, an XML element is directly represented as a ground (variable-free) XML expression—a generalization of an XML element by incorporatio...