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JMLR
2010
189views more  JMLR 2010»
14 years 4 months ago
Adaptive Step-size Policy Gradients with Average Reward Metric
In this paper, we propose a novel adaptive step-size approach for policy gradient reinforcement learning. A new metric is defined for policy gradients that measures the effect of ...
Takamitsu Matsubara, Tetsuro Morimura, Jun Morimot...
ICSE
2008
IEEE-ACM
15 years 10 months ago
A tale of four kernels
The Freebsd, gnu/Linux, Solaris, and Windows operating systems have kernels that provide comparable facilities. Interestingly, their code bases share almost no common parts, while...
Diomidis Spinellis
HICSS
2009
IEEE
127views Biometrics» more  HICSS 2009»
15 years 4 months ago
A Conceptual and Operational Definition of 'Social Role' in Online Community
Both online and off, people frequently perform particular social roles. These roles organize behavior and give structure to positions in local networks. As more of social life bec...
Eric Gleave, Howard T. Welser, Thomas M. Lento, Ma...
MICCAI
1999
Springer
15 years 2 months ago
Image Processing for Diffusion Tensor Magnetic Resonance Imaging
This paper1 describes image processing techniques for Diffusion Tensor Magnetic Resonance. In Diffusion Tensor MRI, a tensor describing local water diffusion is acquired for each v...
Carl-Fredrik Westin, S. E. Maier, B. Khidhir, Pete...
BMCBI
2005
119views more  BMCBI 2005»
14 years 9 months ago
The distance-profile representation and its application to detection of distantly related protein families
Background: Detecting homology between remotely related protein families is an important problem in computational biology since the biological properties of uncharacterized protei...
Chin-Jen Ku, Golan Yona