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ICWSM
2008
14 years 11 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
NIPS
2008
14 years 11 months ago
Clustered Multi-Task Learning: A Convex Formulation
In multi-task learning several related tasks are considered simultaneously, with the hope that by an appropriate sharing of information across tasks, each task may benefit from th...
Laurent Jacob, Francis Bach, Jean-Philippe Vert
CORR
2006
Springer
86views Education» more  CORR 2006»
14 years 10 months ago
Maximum Entropy MIMO Wireless Channel Models
In this contribution, models of wireless channels are derived from the maximum entropy principle, for several cases where only limited information about the propagation environmen...
Maxime Guillaud, Mérouane Debbah, Aris L. M...
TWC
2008
159views more  TWC 2008»
14 years 9 months ago
Hierarchical Space-Time Block Code Recognition Using Correlation Matrices
The blind recognition of communication parameters is a key research issue for commercial and military communication systems. The results of numerous investigations about symbol tim...
Vincent Choqueuse, Koffi Yao, Ludovic Collin, Gill...
JOC
2002
99views more  JOC 2002»
14 years 9 months ago
The Insecurity of the Digital Signature Algorithm with Partially Known Nonces
We present a polynomial-time algorithm that provably recovers the signer's secret DSA key when a few bits of the random nonces k (used at each signature generation) are known ...
Phong Q. Nguyen, Igor Shparlinski