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CCCG
2009
15 years 3 months ago
Clarkson's Algorithm for Violator Spaces
Clarkson's algorithm is a two-staged randomized algorithm for solving linear programs, but it can also be applied to the more general LP-type problems which comprise a number...
Yves Brise, Bernd Gärtner
ICDCS
2007
IEEE
15 years 9 months ago
Uniform Data Sampling from a Peer-to-Peer Network
Uniform random sample is often useful in analyzing data. Usually taking a uniform sample is not a problem if the entire data resides in one location. However, if the data is distr...
Souptik Datta, Hillol Kargupta
88
Voted
SDM
2008
SIAM
113views Data Mining» more  SDM 2008»
15 years 4 months ago
Randomization of real-valued matrices for assessing the significance of data mining results
Markus Ojala, Niko Vuokko, Aleksi Kallio, Niina Ha...
93
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ICMCS
2007
IEEE
134views Multimedia» more  ICMCS 2007»
15 years 9 months ago
Cryptanalysis of a Video Scrambling Based on Space Filling Curves
In this paper, we study the security of an image scrambling algorithm based on Space-Filling Curves (SFC). A random SFC is a pixel permutation that changes the scanning order with...
Ayoub Massoudi, Frédéric Lefè...