485 search results - page 19 / 97 » Processing complex aggregate queries over data streams |
110
Voted
EDBT
2006
ACM
16 years 18 days ago
2006
ACM
Abstract. Data stream systems execute a dynamic workload of longrunning and one-time queries, with the streaming inputs typically bounded by sliding windows. For efficiency, window...
188
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VLDB
2007
ACM
16 years 21 days ago
2007
ACM
Many aspects of the data integration problem have been considered in the literature: how to match schemas across different data sources, how to decide when different records refer...
123
Voted
FOCS
2009
IEEE
15 years 7 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 ...
113
Voted
ISORC
2006
IEEE
15 years 6 months ago
2006
IEEE
Many real-time applications, such as traffic control systems, surveillance systems and health monitoring systems, need to operate on continuous unbounded streams of data. These ap...
100
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DAWAK
2007
Springer
15 years 6 months ago
2007
Springer
We propose a privacy-preserving protocol for computing aggregation queries over the join of private tables. In this problem, several parties wish to share aggregated information ov...