485 search results - page 26 / 97 » Processing complex aggregate queries over data streams |
91
Voted
SSDBM
2007
IEEE
15 years 6 months 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...
112
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MDM
2007
Springer
15 years 6 months ago
2007
Springer
This work tackles the problem of answer-aggregation for continuous spatio-temporal range queries in distributed settings. We assume a grid-like coverage of the spatial universe of...
200
Voted
SIGMOD
2007
ACM
16 years 19 days ago
2007
ACM
The primary goal of data stream research is to develop space and time efficient solutions for answering continuous online summarization queries. Research efforts over the last dec...
102
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SSDBM
2005
IEEE
15 years 6 months ago
2005
IEEE
Data products generated from remotely-sensed, geospatial imagery (RSI) used in emerging areas, such as global climatology, environmental monitoring, land use, and disaster managem...
111
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SIGMOD
2010
ACM
15 years 5 months ago
2010
ACM
Uncertain data streams, where data is incomplete, imprecise, and even misleading, have been observed in many environments. Feeding such data streams to existing stream systems pro...