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» On Iterative Regularization and Its Application
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CVPR
2005
IEEE
16 years 6 months ago
Semi-Supervised Adapted HMMs for Unusual Event Detection
We address the problem of temporal unusual event detection. Unusual events are characterized by a number of features (rarity, unexpectedness, and relevance) that limit the applica...
Dong Zhang, Daniel Gatica-Perez, Samy Bengio, Iain...
AIRWEB
2009
Springer
15 years 11 months ago
A study of link farm distribution and evolution using a time series of web snapshots
In this paper, we study the overall link-based spam structure and its evolution which would be helpful for the development of robust analysis tools and research for Web spamming a...
Young-joo Chung, Masashi Toyoda, Masaru Kitsuregaw...
KES
2005
Springer
15 years 9 months ago
Feature Generation by Simple FLD
This paper presents a new algorithm for feature generation, which is approximately derived based on geometrical interpretation of the Fisher linear discriminant analysis. In a fiel...
Minoru Fukumi, Yasue Mitsukura
ICS
1993
Tsinghua U.
15 years 8 months ago
The EM-4 Under Implicit Parallelism
: The EM-4 is a supercomputer that offers very fast inter processor communication and support for multi threading. In this paper we demonstrate that the EM-4, Together with an auto...
Lubomir Bic, Mayez A. Al-Mouhamed
COMPUTING
2006
130views more  COMPUTING 2006»
15 years 4 months ago
Factorized Solution of Lyapunov Equations Based on Hierarchical Matrix Arithmetic
We investigate the numerical solution of large-scale Lyapunov equations with the sign function method. Replacing the usual matrix inversion, addition, and multiplication by format...
Ulrike Baur, Peter Benner