Safe & Sound uses location-aware mobile phones to create a "virtual leash"; a secure zone beyond which a child may not travel. If the child leaves this zone, both ch...
In this paper, we discuss Bitfrost, the security model developed by the One Laptop Per Child project for its XO laptop computers. Bitfrost implements a number of security measures...
The output of a data mining algorithm is only as good as its inputs, and individuals are often unwilling to provide accurate data about sensitive topics such as medical history an...
A number of research systems have demonstrated the benefits of accompanying each request with a machine-checkable proof that the request complies with access-control policy — a...
Lujo Bauer, Limin Jia, Michael K. Reiter, David Sw...
This paper introduces a novel approach for augmenting attributebased access control systems in a way that allows them to offer fully anonymous access to resources while at the sam...