63 search results - page 3 / 13 » Evaluating Window Joins over Unbounded Streams |
ICDE
2007
IEEE
14 years 2 days 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 ...
SSDBM
2003
IEEE
13 years 11 months ago
2003
IEEE
The widespread use of sensor networks presents revolutionary opportunities for life and environmental science applications. Many of these applications involve continuous queries t...
JCST
2008
13 years 5 months ago
2008
Detecting duplicates in data streams is an important problem that has a wide range of applications. In general, precisely detecting duplicates in an unbounded data stream is not fe...
ICDE
2007
IEEE
14 years 7 months ago
2007
IEEE
Tuple dropping, though commonly used for load shedding in most stream operations, is inadequate for m-way, windowed stream joins. The join output rate can be overly reduced becaus...
SSDBM
2007
IEEE
14 years 1 days ago
2007
IEEE
In stream join processing with limited memory, uniform random sampling is useful for approximate query evaluation. In this paper, we address the problem of reservoir sampling over...