606 search results - page 5 / 122 » Memory-constrained aggregate computation over data streams |
KDD
2003
ACM
14 years 7 months ago
2003
ACM
Burst detection is the activity of finding abnormal aggregates in data streams. Such aggregates are based on sliding windows over data streams. In some applications, we want to mo...
EDBT
2002
ACM
14 years 6 months ago
2002
ACM
SIGMOD
2010
ACM
13 years 11 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...
ICDE
2006
IEEE
14 years 8 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...
SIGMOD
2005
ACM
14 years 6 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....