664 search results - page 92 / 133 » Adaptive Selectivity Estimation Using Query Feedback |
SIGMOD
2006
ACM
14 years 8 months ago
2006
ACM
Exact computation for aggregate queries usually requires large amounts of memory ? constrained in data-streaming ? or communication ? constrained in distributed computation ? and ...
CDC
2010
IEEE
13 years 3 months ago
2010
IEEE
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 ...
WIMOB
2008
IEEE
14 years 2 months ago
2008
IEEE
—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...
TSD
2004
Springer
14 years 1 months ago
2004
Springer
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...
SPIESR
2004
13 years 10 months ago
2004
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:...