604 search results - page 5 / 121 » Aggregate Computation over Data Streams |
SIGMOD
2010
ACM
15 years 2 months ago
2010
ACM
In this paper, we propose an online aggregation system called COSMOS (Continuous Sampling for Multiple queries in an Online aggregation System), to process multiple aggregate quer...
158
click to vote
SIGMOD
2005
ACM
15 years 9 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....
174
click to vote
ICDE
2006
IEEE
15 years 10 months ago
2006
IEEE
Aggregate monitoring over data streams is attracting more and more attention in research community due to its broad potential applications. Existing methods suffer two problems, 1...
111
Voted
SSD
2007
Springer
15 years 3 months ago
2007
Springer
We address continuously processing an aggregation join query over data streams. Queries of this type involve both join and aggregation operations, with windows specified on join ...
ICDE
2012
IEEE
12 years 12 months ago
2012
IEEE
—On a stream of two dimensional data items (x, y) where x is an item identifier, and y is a numerical attribute, a correlated aggregate query requires us to first apply a selec...