485 search results - page 71 / 97 » Processing complex aggregate queries over data streams |
197
Voted
GIS
2006
ACM
16 years 1 months ago
2006
ACM
Location information gathered from a variety of sources in the form of sensor data, video streams, human observations, and so on, is often imprecise and uncertain and needs to be ...
100
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DMSN
2009
ACM
15 years 7 months ago
2009
ACM
Generating a good execution plan for a declarative query has long been a central problem in data management research. With the rise in interest in wireless sensor networks (WSNs) ...
142
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PAMI
2012
13 years 2 months ago
2012
—This paper is concerned with the representation and recognition of the observed dynamics (i.e., excluding purely spatial appearance cues) of spacetime texture based on a spatiot...
117
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EDBT
2010
ACM
15 years 7 months ago
2010
ACM
The wide adaptation of GPS and cellular technologies has created many applications that collect and maintain large repositories of data in the form of trajectories. Previous work ...
98
Voted
SSDBM
2006
IEEE
15 years 6 months ago
2006
IEEE
Many applicationsstore data items for a pre-determined, finite length of time. Examples include slidingwindows over on-line data streams, where old data are dropped as the window...