685 search results - page 1 / 137 » Statistical analysis of sketch estimators |
SIGMOD
2007
ACM
14 years 5 months ago
2007
ACM
Sketching techniques can provide approximate answers to aggregate queries either for data-streaming or distributed computation. Small space summaries that have linearity propertie...
ECCV
2002
Springer
14 years 6 months ago
2002
Springer
Recent results on sparse coding and independent component analysis suggest that human vision first represents a visual image by a linear superposition of a relatively small number ...
ICIP
2003
IEEE
14 years 6 months ago
2003
IEEE
This paper investigates the use of the Bayesian inference for devising an unsupervised sketch rendering procedure. As likelihood model of this inference, we exploit the recent sta...
INFOCOM
2006
IEEE
13 years 11 months ago
2006
IEEE
— Monitoring the traffic in high-speed networks is a data intensive problem. Uniform packet sampling is the most popular technique for reducing the amount of data the network mo...
VLDB
2007
ACM
14 years 5 months ago
2007
ACM
Estimating the cardinality (i.e. number of distinct elements) of an arbitrary set expression defined over multiple distributed streams is one of the most fundamental queries of in...