5785 search results - page 272 / 1157 » Approximability of Probability Distributions |
132
Voted
ICISC
2007
15 years 6 months ago
2007
The starting point for collision attacks on practical hash functions is a local collision. In this paper, we make a systematic study of local collisions for the SHA-2 family. The p...
121
Voted
CORR
2004
Springer
15 years 4 months ago
2004
Springer
Wattenhofer et al. [WW04] derive a complicated distributed algorithm to compute a weighted matching of an arbitrary weighted graph, that is at most a factor 5 away from the maximu...
119
Voted
SSS
2009
Springer
15 years 11 months ago
2009
Springer
Abstract. For large distributed systems built from inexpensive components, one expects to see incessant failures. This paper proposes two models for such faults and analyzes two we...
146
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ICASSP
2010
IEEE
15 years 4 months ago
2010
IEEE
This paper proposes a guaranteed robust bounded-error distributed estimation algorithm. It may be employed to perform parameter estimation from data collected in a network of wire...
156
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CVPR
2007
IEEE
16 years 6 months ago
2007
IEEE
In this note, we propose a method to perform segmentation on the tensor manifold, that is, the space of positive definite matrices of given dimension. In this work, we explicitly ...