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WWW
2010
ACM
15 years 4 months ago
How useful are your comments?: analyzing and predicting youtube comments and comment ratings
An analysis of the social video sharing platform YouTube reveals a high amount of community feedback through comments for published videos as well as through meta ratings for thes...
Stefan Siersdorfer, Sergiu Chelaru, Wolfgang Nejdl...
CORR
2008
Springer
125views Education» more  CORR 2008»
15 years 4 months ago
Power Control in Cognitive Radio Networks: How to Cross a Multi-Lane Highway
Abstract--We consider power control in cognitive radio networks where secondary users identify and exploit instantaneous and local spectrum opportunities without causing unacceptab...
Wei Ren, Qing Zhao, Ananthram Swami
CORR
2006
Springer
96views Education» more  CORR 2006»
15 years 4 months ago
How accurate are the time delay estimates in gravitational lensing?
We present a novel approach to estimate the time delay between light curves of multiple images in a gravitationally lensed system, based on Kernel methods in the context of machine...
Juan C. Cuevas-Tello, Peter Tino, Somak Raychaudhu...
DCG
2006
69views more  DCG 2006»
15 years 4 months ago
How Neighborly Can a Centrally Symmetric Polytope Be?
Abstract. We show that there exist k-neighborly centrally symmetric ddimensional polytopes with 2(n + d) vertices, where k(d, n) = ,, d 1 + log((d + n)/d)
Nathan Linial, Isabella Novik
IJBC
2006
83views more  IJBC 2006»
15 years 4 months ago
How Real are Real Numbers?
We discuss mathematical and physical arguments against continuity and in favor of discreteness, with particular emphasis on the ideas of Emile Borel (1871
Gregory J. Chaitin