72 search results - page 8 / 15 » Fully decentralized computation of aggregates over data stre... |
FOCS
2009
IEEE
14 years 2 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 ...
NOSSDAV
2009
Springer
14 years 2 months ago
2009
Springer
Data dissemination in decentralized networks is often realized by using some form of swarming technique. Swarming enables nodes to gather dynamically in order to fulfill a certai...
ICDE
2009
IEEE
14 years 2 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...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
In recent years, the data management community has begun to consider situations in which data access is closely tied to network routing and distributed acquisition: examples includ...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
As computer systems are essential components of many critical commercial services, the need for secure online transactions is now becoming evident. The demand for such application...