604 search results - page 7 / 121 » Aggregate Computation over Data Streams |
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GIS
2008
ACM
15 years 10 months ago
2008
ACM
We present SenseWeb, an open and scalable infrastructure for sharing and geocentric exploration of sensor data streams. SenseWeb allows sensor owners to share data streams across ...
HPDC
2005
IEEE
15 years 3 months ago
2005
IEEE
Applications that use parallel TCP streams to increase throughput must multiplex and demultiplex data blocks over a set of TCP streams transmitting on one or more network paths. W...
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GEOINFO
2007
14 years 11 months ago
2007
In this paper we are interested in storing and perform OLAP queries about various aggregate trajectory properties. We consider a data stream environment where a set of mobile objec...
FOCS
2009
IEEE
15 years 4 months ago
2009
IEEE
Abstract— We consider the problem of estimating cascaded aggregates over a matrix presented as a sequence of updates in a data stream. A cascaded aggregate P ◦Q is defined by ...
ICDE
2009
IEEE
15 years 4 months ago
2009
IEEE
—Sampling is used as a universal method to reduce the running time of computations – the computation is performed on a much smaller sample and then the result is scaled to comp...