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COLT
2010
Springer
13 years 8 months ago
Hedging Structured Concepts
We develop an online algorithm called Component Hedge for learning structured concept classes when the loss of a structured concept sums over its components. Example classes inclu...
Wouter M. Koolen, Manfred K. Warmuth, Jyrki Kivine...
CSCW
2012
ACM
12 years 5 months ago
Socializing volunteers in an online community: a field experiment
Although many off-line organizations give their employees training, mentorship, a cohort and other socialization experiences that improve their retention and productivity, online ...
Rosta Farzan, Robert Kraut, Aditya Pal, Joseph A. ...
SIGMOD
2009
ACM
250views Database» more  SIGMOD 2009»
14 years 10 months ago
Query processing techniques for solid state drives
Solid state drives perform random reads more than 100x faster than traditional magnetic hard disks, while offering comparable sequential read and write bandwidth. Because of their...
Dimitris Tsirogiannis, Stavros Harizopoulos, Mehul...
KDD
2008
ACM
134views Data Mining» more  KDD 2008»
14 years 10 months ago
Privacy-preserving cox regression for survival analysis
Privacy-preserving data mining (PPDM) is an emergent research area that addresses the incorporation of privacy preserving concerns to data mining techniques. In this paper we prop...
Shipeng Yu, Glenn Fung, Rómer Rosales, Srir...
SAC
2010
ACM
14 years 5 months ago
Asynchronous Byzantine consensus with 2f+1 processes
Byzantine consensus in asynchronous message-passing systems has been shown to require at least 3f + 1 processes to be solvable in several system models (e.g., with failure detecto...
Miguel Correia, Giuliana Santos Veronese, Lau Cheu...