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» A random walk approach to sampling hidden databases
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KDD
2005
ACM
182views Data Mining» more  KDD 2005»
15 years 10 months ago
Making holistic schema matching robust: an ensemble approach
The Web has been rapidly "deepened" by myriad searchable databases online, where data are hidden behind query interfaces. As an essential task toward integrating these m...
Bin He, Kevin Chen-Chuan Chang
CVPR
2007
IEEE
15 years 4 months ago
Optimized Color Sampling for Robust Matting
Image matting is the problem of determining for each pixel in an image whether it is foreground, background, or the mixing parameter, ”alpha”, for those pixels that are a mixt...
Jue Wang, Michael F. Cohen
ICDE
2010
IEEE
183views Database» more  ICDE 2010»
15 years 4 months ago
Estimating the compression fraction of an index using sampling
—Data compression techniques such as null suppression and dictionary compression are commonly used in today’s database systems. In order to effectively leverage compression, it...
Stratos Idreos, Raghav Kaushik, Vivek R. Narasayya...
CORR
2011
Springer
174views Education» more  CORR 2011»
14 years 4 months ago
Hide-and-Seek with Directional Sensing
: We consider a game played between a hider, who hides a static object in one of several possible positions in a bounded planar region, and a searcher who wishes to reach the objec...
Alessandro Borri, Shaunak Dattaprasad Bopardikar, ...
ICIP
2003
IEEE
15 years 11 months ago
Annotating retrieval database with active learning
In this paper, we describe a retrieval system that uses hidden annotation to improve the performance. The contribution of this paper is a novel active learning framework that can ...
Cha Zhang, Tsuhan Chen