429 search results - page 23 / 86 » Query Planning for Continuous Aggregation Queries over a Net... |
ICDE
2006
IEEE
14 years 8 months ago
2006
IEEE
Emerging applications in sensor systems and network-wide IP traffic analysis present many technical challenges. They need distributed monitoring and continuous tracking of events....
DKE
2000
13 years 7 months ago
2000
A range query applies an aggregation operation (e.g., SUM) over all selected cells of an OLAP data cube where the selection is speci
COMAD
2008
13 years 9 months ago
2008
Answering aggregate queries like sum, count, min, max over regions containing moving objects is often needed for virtual world applications, real-time monitoring systems, etc. Sin...
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
A windowed query operator breaks a data stream into possibly overlapping subsets of data and computes results over each. Many stream systems can evaluate window aggregate queries....
TKDE
2010
13 years 5 months ago
2010
—Duplicates in data streams may often be observed by the projection on a subspace and/or multiple recordings of objects. Without the uniqueness assumption on observed data elemen...