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CVPR
2010
IEEE
15 years 3 months ago
Discriminative K-SVD for Dictionary Learning in Face Recognition
In a sparse-representation-based face recognition scheme, the desired dictionary should have good representational power (i.e., being able to span the subspace of all faces) while...
Qiang Zhang, Baoxin Li
CEC
2009
IEEE
15 years 3 months ago
The coevolution of loyalty and cooperation
— Humans are inclined to engage in long-lasting relationships whose stability does not only rely on cooperation, but often also on loyalty — our tendency to keep interacting wi...
Sven Van Segbroeck, Francisco C. Santos, Ann Now&e...
COCO
2010
Springer
186views Algorithms» more  COCO 2010»
15 years 3 months ago
Derandomized Parallel Repetition of Structured PCPs
A PCP is a proof system for NP in which the proof can be checked by a probabilistic verifier. The verifier is only allowed to read a very small portion of the proof, and in return ...
Irit Dinur, Or Meir
AAAI
2007
15 years 2 months ago
Temporal and Information Flow Based Event Detection from Social Text Streams
Recently, social text streams (e.g., blogs, web forums, and emails) have become ubiquitous with the evolution of the web. In some sense, social text streams are sensors of the rea...
Qiankun Zhao, Prasenjit Mitra, Bi Chen
USS
2008
15 years 2 months ago
Highly Predictive Blacklisting
The notion of blacklisting communication sources has been a well-established defensive measure since the origins of the Internet community. In particular, the practice of compilin...
Jian Zhang, Phillip A. Porras, Johannes Ullrich