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APPROX
2006
Springer
107views Algorithms» more  APPROX 2006»
15 years 5 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
80
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CRYPTO
2006
Springer
101views Cryptology» more  CRYPTO 2006»
15 years 5 months ago
When Random Sampling Preserves Privacy
Kamalika Chaudhuri, Nina Mishra
SDM
2004
SIAM
177views Data Mining» more  SDM 2004»
15 years 3 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»
15 years 1 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