606 search results - page 8 / 122 » Memory-constrained aggregate computation over data streams |
PVLDB
2010
13 years 5 months ago
2010
Uncertain data streams are increasingly common in real-world deployments and monitoring applications require the evaluation of complex queries on such streams. In this paper, we c...
HPDC
2005
IEEE
14 years 9 days 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...
GEOINFO
2007
13 years 8 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
14 years 1 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
14 years 1 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...