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SIGMOD
1999
ACM
87views Database» more  SIGMOD 1999»
15 years 9 months ago
On Random Sampling over Joins
A major bottleneck in implementing sampling as a primitive relational operation is the ine ciency ofsampling the output of a query. It is not even known whether it is possible to ...
Surajit Chaudhuri, Rajeev Motwani, Vivek R. Narasa...
126
Voted
AMC
2007
128views more  AMC 2007»
15 years 4 months ago
Class label versus sample label-based CCA
When correlating the samples with the corresponding class labels, canonical correlation analysis (CCA) can be used for supervised feature extraction and subsequent classification...
Tingkai Sun, Songcan Chen
IEICET
2010
101views more  IEICET 2010»
15 years 3 months ago
Irregular Sampling on Shift Invariant Spaces
Let V (φ) be a shift invariant subspace of L2 (R) generated by a Riesz or frame generator φ(t) in L2 (R). We assume that φ(t) is suitably chosen so that V (φ) becomes a reprod...
Kil Hyun Kwon, Jaekyu Lee
155
Voted
EGH
2010
Springer
15 years 2 months ago
A lazy object-space shading architecture with decoupled sampling
We modify the Reyes object-space shading approach to address two inefficiencies that result from performing shading calculations at micropolygon grid vertices prior to rasterizati...
Christopher A. Burns, Kayvon Fatahalian, William R...
128
Voted
COLT
2006
Springer
15 years 8 months ago
Active Sampling for Multiple Output Identification
We study functions with multiple output values, and use active sampling to identify an example for each of the possible output values. Our results for this setting include: (1) Eff...
Shai Fine, Yishay Mansour