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ESANN
2008
14 years 11 months ago
Approximation of Gaussian process regression models after training
The evaluation of a standard Gaussian process regression model takes time linear in the number of training data points. In this paper, the models are approximated in the feature sp...
Thorsten Suttorp, Christian Igel
CCR
2005
104views more  CCR 2005»
14 years 10 months ago
Part I: buffer sizes for core routers
In this article we describe recent work on buffer sizing for core Internet routers. This work suggests that the widelyused rule of thumb leads to buffers which are much larger tha...
Damon Wischik, Nick McKeown
CORR
2002
Springer
92views Education» more  CORR 2002»
14 years 10 months ago
Neutrality: A Necessity for Self-Adaptation
Self-adaptation is used in all main paradigms of evolutionary computation to increase efficiency. We claim that the basis of self-adaptation is the use of neutrality. In the absenc...
Marc Toussaint, Christian Igel
ICC
2009
IEEE
159views Communications» more  ICC 2009»
14 years 8 months ago
Improved Decision-Directed Recursive Least Squares MIMO Channel Tracking
This paper presents a comparative study of different Recursive Least Squares algorithms to track a Rayleigh flat fading MIMO channel. We investigate the effect of the initializatio...
Emna Eitel, Rana H. Ahmed Salem, Joachim Speidel
CORR
2006
Springer
138views Education» more  CORR 2006»
14 years 10 months ago
Tight Bounds on the Complexity of Recognizing Odd-Ranked Elements
Let S = s1, s2, s3, ..., sn be a given vector of n distinct real numbers. The rank of z R with respect to S is defined as the number of elements si S such that si z. We consider...
Shripad Thite