407 search results - page 46 / 82 » Query Estimation by Adaptive Sampling |
SIGMOD
1996
ACM
15 years 3 months ago
1996
ACM
Many commercial database systems maintain histograms to summarize the contents of relations and permit efficient estimation of query result sizes and access plan costs. Although s...
ICCV
2007
IEEE
16 years 1 months ago
2007
IEEE
We present a probabilistic multi-cue tracking approach constructed by employing a novel randomized template tracker and a constant color model based particle filter. Our approach ...
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VLDB
2007
ACM
15 years 12 months ago
2007
ACM
Query generators producing sequences of SQL statements are embedded in many applications. As the execution time of such sequences is often far from optimal, their optimization is ...
KES
2007
Springer
15 years 5 months ago
2007
Springer
Localization is one of the important topics in robotics and it is essential to execute a mission. Most problems in the class of localization are due to uncertainties in the modelin...
ICASSP
2009
IEEE
15 years 6 months ago
2009
IEEE
Reducing the number of secondary data used to estimate the Clutter Covariance Matrix (CCM) for Space Time Adaptive Processing (STAP) techniques is still an active research topic. ...