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CPHYSICS
2008
53views more  CPHYSICS 2008»
14 years 10 months ago
Long-time self-diffusion for Brownian Gaussian-core particles
Using extensive Brownian dynamics computer simulations, the long-time self-diffusion coefficient is calculated for Gaussian-core particles as a function of the number density. Bot...
H. H. Wensink, H. Löwen, M. Rex, C. N. Likos,...
WIAS
2010
98views more  WIAS 2010»
14 years 8 months ago
Spatial pattern growth and emergent animat segregation
Spatial agent models can be used to explore self-organising effects such as pattern growth and segregation. We employ our predator-prey model to study these emergent behaviours in...
Kenneth A. Hawick, C. J. Scogings
JMLR
2010
173views more  JMLR 2010»
14 years 4 months ago
Collaborative Filtering via Rating Concentration
While most popular collaborative filtering methods use low-rank matrix factorization and parametric density assumptions, this article proposes an approach based on distribution-fr...
Bert Huang, Tony Jebara
ICASSP
2011
IEEE
14 years 1 months ago
Entropy estimation using the principle of maximum entropy
In this paper, we present a novel entropy estimator for a given set of samples drawn from an unknown probability density function (PDF). Counter to other entropy estimators, the e...
Behrouz Behmardi, Raviv Raich, Alfred O. Hero
ICASSP
2011
IEEE
14 years 1 months ago
Subspace pursuit method for kernel-log-linear models
This paper presents a novel method for reducing the dimensionality of kernel spaces. Recently, to maintain the convexity of training, loglinear models without mixtures have been u...
Yotaro Kubo, Simon Wiesler, Ralf Schlüter, He...