34 search results - page 5 / 7 » Approximate Counts and Quantiles over Sliding Windows |
SDM
2009
SIAM
14 years 4 months ago
2009
SIAM
The discovery of events in time series can have important implications, such as identifying microlensing events in astronomical surveys, or changes in a patient’s electrocardiog...
ICDE
2007
IEEE
14 years 1 months ago
2007
IEEE
We consider the problem of semantic load shedding for continuous queries containing window joins on multiple data streams and propose a robust approach that is effective with the ...
GIS
2007
ACM
14 years 8 months ago
2007
ACM
Handling streams of positional updates from numerous moving objects has become a challenging task for many monitoring applications. Several algorithms have been recently proposed ...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
We consider the problem of approximating sliding window joins over data streams in a data stream processing system with limited resources. In our model, we deal with resource cons...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
We study the problem of continuous monitoring of top-k queries over multiple non-synchronized streams. Assuming a sliding window model, this general problem has been a well addres...