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174
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JACM
2011
14 years 7 months ago
2011
This paper is about a curious phenomenon. Suppose we have a data matrix, which is the superposition of a low-rank component and a sparse component. Can we recover each component i...
152
Voted
JOC
2011
14 years 7 months ago
2011
Physical random number generators (a.k.a. TRNGs) appear to be critical components of many cryptographic systems. Yet, such building blocks are still too seldom provided with a form...
158
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MOBISYS
2011
ACM
14 years 7 months ago
2011
ACM
Forming secure associations between wireless devices that do not share a prior trust relationship is an important problem. This paper presents ProxiMate, a system that allows wire...
162
Voted
PODC
2011
ACM
14 years 7 months ago
2011
ACM
We present a cryptographic framework to achieve access control, privacy of social relations, secrecy of resources, and anonymity of users in social networks. The main idea is to u...
173
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SAC
2011
ACM
14 years 7 months ago
2011
ACM
A moving region whose location and extend change over time can imply topological changes such as region split and hole formation. To study this phenomenon is useful in many applic...