Sciweavers

664 search results - page 92 / 133
» Adaptive Selectivity Estimation Using Query Feedback
Sort
View
SIGMOD
2006
ACM
116views Database» more  SIGMOD 2006»
16 years 2 months ago
Fast range-summable random variables for efficient aggregate estimation
Exact computation for aggregate queries usually requires large amounts of memory ? constrained in data-streaming ? or communication ? constrained in distributed computation ? and ...
Florin Rusu, Alin Dobra
CDC
2010
IEEE
112views Control Systems» more  CDC 2010»
14 years 9 months ago
Online Convex Programming and regularization in adaptive control
Online Convex Programming (OCP) is a recently developed model of sequential decision-making in the presence of time-varying uncertainty. In this framework, a decisionmaker selects ...
Maxim Raginsky, Alexander Rakhlin, Serdar Yük...
WIMOB
2008
IEEE
15 years 8 months ago
On Performance of MIMO Link Adaptation in the Presence of Channel Uncertainty
—In this paper, link level adaptation algorithms in a system applying spatial multiplexing in the presence of channel uncertainty are considered. The first part of this paper de...
Jelena Mirkovic, Bernhard Walke
TSD
2004
Springer
15 years 7 months ago
A Speaker Clustering Algorithm for Fast Speaker Adaptation in Continuous Speech Recognition
In this paper a speaker adaptation methodology is proposed, which first automatically determines a number of speaker clusters in the training material, then estimates the paramete...
Luis Javier Rodríguez, Inés Torres
SPIESR
2004
117views Database» more  SPIESR 2004»
15 years 3 months ago
Image database clustering with SVM-based class personalization
To allow efficient browsing of large image collections, we have to provide a summary of its visual content. We present in this paper a robust approach to organize image databases:...
Bertrand Le Saux, Nozha Boujemaa