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ICWSM
2008
13 years 7 months ago
The Politics of Sourcing: A Study of Journalistic Practices in the Blogosphere
Digital media lowers barriers to entry and has the ability to renegotiate traditional news-making power structures. However, it remains to be seen whether or not the people that u...
Gina Walejko, Thomas Ksiazek
ICPR
2008
IEEE
14 years 12 days ago
Evaluation of clustering methods for finding dominant optical flow fields in crowded scenes
Video footage of real crowded scenes still poses severe challenges for automated surveillance. This paper evaluates clustering methods for finding independent dominant motion fi...
Günther Eibl, Norbert Brändle
ICML
2006
IEEE
14 years 6 months ago
Practical solutions to the problem of diagonal dominance in kernel document clustering
In supervised kernel methods, it has been observed that the performance of the SVM classifier is poor in cases where the diagonal entries of the Gram matrix are large relative to ...
Derek Greene, Padraig Cunningham