710 search results - page 20 / 142 » Querying continuous functions in a database system |
VLDB
2004
ACM
14 years 28 days ago
2004
ACM
We consider the problem of resource sharing when processing large numbers of continuous queries. We specifically address sliding-window aggregates over data streams, an important...
DASFAA
2007
IEEE
13 years 9 months ago
2007
IEEE
To support emerging database applications that deal with continuously changing (or moving) data objects (CCDOs), such as vehicles, RFIDs, and multi-stimuli sensors, one requires an...
INFOCOM
2006
IEEE
14 years 1 months ago
2006
IEEE
— As the academic world moves away from physical journals and proceedings towards online document repositories, the ability to efficiently locate work of interest among the torr...
SIGMOD
1994
ACM
13 years 11 months ago
1994
ACM
In this paper, we propose a novel approach for estimating the record selectivities of database queries. The real attribute value distribution is adaptively approximated by a curve...
ICDCS
2007
IEEE
13 years 11 months ago
2007
IEEE
On-line decision making often involves query processing over time-varying data which arrives in the form of data streams from distributed locations. In such environments typically...