110 search results - page 8 / 22 » Estimating Entropy over Data Streams |
SIAMCOMP
2002
13 years 7 months ago
2002
We consider the problem of maintaining aggregates and statistics over data streams, with respect to the last N data elements seen so far. We refer to this model as the sliding wind...
SDM
2008
SIAM
13 years 9 months ago
2008
SIAM
We derive a number of well known deterministic latent variable models such as PCA, ICA, EPCA, NMF and PLSA as variational EM approximations with point posteriors. We show that the...
GIS
2007
ACM
14 years 8 months ago
2007
ACM
Handling streams of positional updates from numerous moving objects has become a challenging task for many monitoring applications. Several algorithms have been recently proposed ...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Abstract-- Recent innovations in RFID technology are enabling large-scale cost-effective deployments in retail, healthcare, pharmaceuticals and supply chain management. The advent ...
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...