55 search results - page 1 / 11 » How to Decide Query Containment Under Constraints Using a De... |
LPAR
2000
Springer
14 years 2 months ago
2000
Springer
TOCL
2008
13 years 11 months ago
2008
JAPLL
2010
13 years 9 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 ...
PODS
2003
ACM
14 years 11 months ago
2003
ACM
In this paper we consider general path constraints for semistructured databases. Our general constraints do not suffer from the limitations of the path constraints previously stud...
DLOG
2008
14 years 1 months ago
2008
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...