41 search results - page 8 / 9 » Continuous sampling for online aggregation over multiple que... |
VLDB
2004
ACM
14 years 8 months ago
2004
ACM
In many applications involving continuous data streams, data arrival is bursty and data rate fluctuates over time. Systems that seek to give rapid or realtime query responses in su...
ICWSM
2009
13 years 5 months ago
2009
Finding out about a topic online can be time consuming. It involves visiting multiple news sites, encyclopedia entries, video repositories and other resources while discarding irr...
SSDBM
2003
IEEE
14 years 28 days ago
2003
IEEE
The widespread use of sensor networks presents revolutionary opportunities for life and environmental science applications. Many of these applications involve continuous queries t...
SIGMOD
1998
ACM
13 years 12 months ago
1998
ACM
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
DAMON
2009
Springer
14 years 2 months ago
2009
Springer
Database processes must be cache-efficient to effectively utilize modern hardware. In this paper, we analyze the importance of temporal locality and the resultant cache behavior ...