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TNN
2008
128views more  TNN 2008»
15 years 6 months ago
Nonnegative Matrix Factorization in Polynomial Feature Space
Abstract--Plenty of methods have been proposed in order to discover latent variables (features) in data sets. Such approaches include the principal component analysis (PCA), indepe...
Ioan Buciu, Nikos Nikolaidis, Ioannis Pitas
TNN
2008
132views more  TNN 2008»
15 years 6 months ago
Just-in-Time Adaptive Classifiers - Part I: Detecting Nonstationary Changes
Abstract--The stationarity requirement for the process generating the data is a common assumption in classifiers' design. When such hypothesis does not hold, e.g., in applicat...
Cesare Alippi, Manuel Roveri
TOC
2008
122views more  TOC 2008»
15 years 6 months ago
Derandomizing the Ahlswede-Winter matrix-valued Chernoff bound using pessimistic estimators, and applications
: Ahlswede and Winter [IEEE Trans. Inf. Th. 2002] introduced a Chernoff bound for matrix-valued random variables, which is a non-trivial generalization of the usual Chernoff bound ...
Avi Wigderson, David Xiao
TOCS
2008
107views more  TOCS 2008»
15 years 6 months ago
RaWMS - Random Walk Based Lightweight Membership Service for Wireless Ad Hoc Networks
RaWMS is a novel lightweight random membership service for ad hoc networks. The service provides each node with a partial uniformly chosen view of network nodes. Such a membership...
Ziv Bar-Yossef, Roy Friedman, Gabriel Kliot
JCSS
2007
63views more  JCSS 2007»
15 years 6 months ago
Holistic analysis of asynchronous real-time transactions with earliest deadline scheduling
In distributed real-time systems, an application is often modeled as a set of real-time transactions, where each transaction is a chain of precedence-constrained tasks. Each task ...
Rodolfo Pellizzoni, Giuseppe Lipari
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