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SIGIR
2008
ACM
15 years 4 months ago
A simple and efficient sampling method for estimating AP and NDCG
We consider the problem of large scale retrieval evaluation. Recently two methods based on random sampling were proposed as a solution to the extensive effort required to judge te...
Emine Yilmaz, Evangelos Kanoulas, Javed A. Aslam
ICML
2006
IEEE
16 years 5 months ago
An investigation of computational and informational limits in Gaussian mixture clustering
We investigate under what conditions clustering by learning a mixture of spherical Gaussians is (a) computationally tractable; and (b) statistically possible. We show that using p...
Nathan Srebro, Gregory Shakhnarovich, Sam T. Rowei...
SOSP
2003
ACM
16 years 1 months ago
Preserving peer replicas by rate-limited sampled voting
The LOCKSS project has developed and deployed in a worldwide test a peer-to-peer system for preserving access to journals and other archival information published on the Web. It c...
Petros Maniatis, David S. H. Rosenthal, Mema Rouss...
CVBIA
2005
Springer
15 years 10 months ago
Registration of 3D Angiographic and X-Ray Images Using Sequential Monte Carlo Sampling
Abstract. Digital subtraction angiography (DSA) reconstructions and 3D Magnetic Resonance Angiography (MRA) are the modalities of choice for diagnosis of vascular diseases. However...
Charles Florin, James Williams, Ali Khamene, Nikos...
STOC
2007
ACM
112views Algorithms» more  STOC 2007»
16 years 4 months ago
Smooth sensitivity and sampling in private data analysis
We introduce a new, generic framework for private data analysis. The goal of private data analysis is to release aggregate information about a data set while protecting the privac...
Kobbi Nissim, Sofya Raskhodnikova, Adam Smith