337 search results - page 19 / 68 » Multiple Aggregations Over Data Streams |
HPDC
2005
IEEE
14 years 1 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...
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 ...
VLDB
2005
ACM
14 years 1 months ago
2005
ACM
We study XML stream-specific schema-based optimization. We assume a widely-adopted automata-based execution model for XQuery evaluation. Criteria are established regarding what s...
DIS
2009
Springer
14 years 2 months ago
2009
Springer
Some challenges in frequent pattern mining from data streams are the drift of data distribution and the computational efficiency. In this work an additional challenge is considered...
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
Complex queries over high speed data streams often need to rely on approximations to keep up with their input. The research community has developed a rich literature on approximat...