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SACMAT
2009
ACM
14 years 4 months ago
Foundations for group-centric secure information sharing models
We develop the foundations for a theory of Group-Centric Secure Information Sharing (g-SIS), characterize a specific family of models in this arena and identify several direction...
Ram Krishnan, Ravi S. Sandhu, Jianwei Niu, William...
SIGECOM
2009
ACM
117views ECommerce» more  SIGECOM 2009»
14 years 4 months ago
Sybilproof transitive trust protocols
We study protocols to enable one user (the principal) to make potentially profitable but risky interactions with another user (the agent), in the absence of direct trust between ...
Paul Resnick, Rahul Sami
FOCS
2008
IEEE
14 years 4 months ago
Degree Bounded Network Design with Metric Costs
Given a complete undirected graph, a cost function on edges and a degree bound B, the degree bounded network design problem is to find a minimum cost simple subgraph with maximum...
Yuk Hei Chan, Wai Shing Fung, Lap Chi Lau, Chun Ko...
FOCS
2008
IEEE
14 years 4 months ago
What Can We Learn Privately?
Learning problems form an important category of computational tasks that generalizes many of the computations researchers apply to large real-life data sets. We ask: what concept ...
Shiva Prasad Kasiviswanathan, Homin K. Lee, Kobbi ...
INFOCOM
2008
IEEE
14 years 4 months ago
iBubble: Multi-Keyword Routing Protocol for Heterogeneous Wireless Sensor Networks
— Many tasks require multiple sensing capabilities; in Wireless Sensor Networks (WSN), it is expensive to deploy a homogeneous network wherein every sensor has the same functiona...
Xiaoming Lu, Matt Spear, Karl N. Levitt, Shyhtsun ...