643 search results - page 8 / 129 » Dynamic prioritization of database queries |
SIGMOD
2010
ACM
14 years 5 days ago
2010
ACM
Many web queries seek information about named entities (such as products or people). Web search engines federate such entity-oriented queries to relevant structured databases; the...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
In decision support applications, the ability to provide fast approximate answers to aggregation queries is desirable. One commonly-used technique for approximate query answering ...
DASFAA
2010
IEEE
13 years 7 months ago
2010
IEEE
Achieving data security over cooperating web services is becoming a reality, but existing XML access control architectures do not consider this federated service computing. In this...
ICDE
2008
IEEE
14 years 1 months ago
2008
IEEE
We formulate three intuitive semantic properties for topk queries in probabilistic databases, and propose GlobalTopk query semantics which satisfies all of them. We provide a dyn...
SIGMOD
1998
ACM
13 years 11 months ago
1998
ACM
Databases are increasingly being used to store multi-media objects such as maps, images, audio and video. Storage and retrieval of these objects is accomplished using multi-dimens...