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» On the Geometry of Differential Privacy
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NSDI
2010
15 years 2 months ago
Airavat: Security and Privacy for MapReduce
We present Airavat, a MapReduce-based system which provides strong security and privacy guarantees for distributed computations on sensitive data. Airavat is a novel integration o...
Indrajit Roy, Srinath T. V. Setty, Ann Kilzer, Vit...
CAGD
2006
167views more  CAGD 2006»
15 years 22 days ago
Discrete surface modelling using partial differential equations
We use various nonlinear partial differential equations to efficiently solve several surface modelling problems, including surface blending, N-sided hole filling and free-form sur...
Guoliang Xu, Qing Pan, Chandrajit L. Bajaj
117
Voted
ICASSP
2009
IEEE
14 years 10 months ago
Differential feedback of MIMO channel correlation matrices based on geodesic curves
This paper proposes a differential quantization strategy to be used in the feedback link of a multi-input-multi-output (MIMO) communication system. This algorithm is applied to th...
Daniel Sacristán-Murga, Antonio Pascual-Ise...
123
Voted
ACISP
2010
Springer
15 years 2 months ago
Distinguishers for the Compression Function and Output Transformation of Hamsi-256
Hamsi is one of 14 remaining candidates in NIST's Hash Competition for the future hash standard SHA-3. Until now, little analysis has been published on its resistance to diffe...
Jean-Philippe Aumasson, Emilia Käsper, Lars R...
PODS
2009
ACM
134views Database» more  PODS 2009»
16 years 1 months ago
Relationship privacy: output perturbation for queries with joins
We study privacy-preserving query answering over data containing relationships. A social network is a prime example of such data, where the nodes represent individuals and edges r...
Vibhor Rastogi, Michael Hay, Gerome Miklau, Dan Su...