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ICC
2009
IEEE
142views Communications» more  ICC 2009»
15 years 11 months ago
Revealing Social Networks of Spammers Through Spectral Clustering
—To date, most studies on spam have focused only on the spamming phase of the spam cycle and have ignored the harvesting phase, which consists of the mass acquisition of email ad...
Kevin S. Xu, Mark Kliger, Yilun Chen, Peter J. Woo...
ICC
2009
IEEE
162views Communications» more  ICC 2009»
15 years 11 months ago
Minimizing Energy Consumption in IR-UWB Based Wireless Sensor Networks
Abstract—Impulse Radio Ultra-wideband (IR-UWB) communication has proven an important technique for supporting highrate, short-range, low-power communication. These are necessary ...
Tianqi Wang, Wendi B. Heinzelman, Alireza Seyedi
ICDAR
2009
IEEE
15 years 11 months ago
Unsupervised Selection and Discriminative Estimation of Orthogonal Gaussian Mixture Models for Handwritten Digit Recognition
The problem of determining the appropriate number of components is important in finite mixture modeling for pattern classification. This paper considers the application of an unsu...
Xuefeng Chen, Xiabi Liu, Yunde Jia
WCRE
2009
IEEE
15 years 11 months ago
Autumn Leaves: Curing the Window Plague in IDEs
—Navigating large software systems is difficult as the various artifacts are distributed in a huge space, while the relationships between different artifacts often remain hidden...
David Röthlisberger, Oscar Nierstrasz, St&eac...
WIAMIS
2009
IEEE
15 years 11 months ago
Feature-based video key frame extraction for low quality video sequences
We present an approach to key frame extraction for structuring user generated videos on video sharing websites (e. g. YouTube). Our approach is intended to link existing image sea...
Pascal Kelm, Sebastian Schmiedeke, Thomas Sikora
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