4051 search results - page 455 / 811 » Aggregation |
163
click to vote
ICDE
2009
IEEE
16 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...
169
click to vote
ICDE
2009
IEEE
16 years 1 months ago
2009
IEEE
— We present SMART, a self-tuning, bandwidth-aware monitoring system that maximizes result precision of continuous aggregate queries over dynamic data streams. While prior approa...
157
click to vote
EDBT
2009
ACM
16 years 1 months ago
2009
ACM
Privacy models such as k-anonymity and -diversity typically offer an aggregate or scalar notion of the privacy property that holds collectively on the entire anonymized data set....
163
click to vote
HPDC
2009
IEEE
16 years 28 days ago
2009
IEEE
This paper explores the feasibility of a cost-efficient storage architecture that offers the reliability and access performance characteristics of a high-end system. This architec...
183
click to vote
DEXA
2009
Springer
16 years 23 days ago
2009
Springer
Dimension hierarchies represent a substantial part of the data warehouse model. Indeed they allow decision makers to examine data at different levels of detail with On-Line Analyt...