337 search results - page 4 / 68 » Multiple Aggregations Over Data Streams |
SDM
2009
SIAM
14 years 4 months ago
2009
SIAM
Data stream analysis frequently relies on identifying correlations and posing conditional queries on the data after it has been seen. Correlated aggregates form an important examp...
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 ...
ICDE
2006
IEEE
14 years 9 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...
BIOSURVEILLANCE
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. This paper reviews the results of a study into combining evidence from multiple streams of surveillance data in order to improve timeliness and specificity of detection ...
EDBTW
2006
Springer
13 years 11 months ago
2006
Springer
Geospatial image data obtained by satellites and aircraft are increasingly important to a wide range of applications, such as disaster management, climatology, and environmental m...