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APPROX
2006
Springer
107views Algorithms» more  APPROX 2006»
13 years 11 months ago
A Fast Random Sampling Algorithm for Sparsifying Matrices
We describe a simple random-sampling based procedure for producing sparse matrix approximations. Our procedure and analysis are extremely simple: the analysis uses nothing more th...
Sanjeev Arora, Elad Hazan, Satyen Kale
CRYPTO
2006
Springer
101views Cryptology» more  CRYPTO 2006»
13 years 11 months ago
When Random Sampling Preserves Privacy
Kamalika Chaudhuri, Nina Mishra
SDM
2004
SIAM
177views Data Mining» more  SDM 2004»
13 years 9 months ago
Reservoir-Based Random Sampling with Replacement from Data Stream
Byung-Hoon Park, George Ostrouchov, Nagiza F. Sama...
AMC
2006
188views more  AMC 2006»
13 years 7 months ago
Ratio estimators for the population variance in simple and stratified random sampling
We propose some ratio-type variance estimators using ratio estimators for the population mean in literature. We obtain mean square error (MSE) equations of proposed estimators and...
Cem Kadilar, Hulya Cingi