3652 search results - page 220 / 731 » A study of query length |
VLDB
2005
ACM
14 years 1 months ago
2005
ACM
Developing cost models for query optimization is significantly harder for XML queries than for traditional relational queries. The reason is that XML query operators are much mor...
P2P
2003
IEEE
14 years 1 months ago
2003
IEEE
Sensor networks, that consist of potentially several thousands of nodes each with sensing (heat, sound, light, magnetism, etc.) and wireless communication capabilities, provide gr...
EDBT
2009
ACM
14 years 27 days ago
2009
ACM
We consider a near future scenario in which users of a Web 2.0 application, such as a social network, contribute to the application not only data, but also rules which automatical...
FQAS
2006
Springer
13 years 12 months ago
2006
Springer
Consistent query answering is the term commonly used for the problem of answering queries on databases that violate certain integrity constraints. We address this problem for univ...
DLOG
2008
13 years 10 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...