Many people desire ubiquitous access to their personal computing environments. We present a system in which a user leverages a personal mobile device to establish trust in a publi...
Presence-sharing is an emerging platform for mobile applications, but presence-privacy remains a challenge. Privacy controls must be flexible enough to allow sharing between both ...
The focus of access control in client/server environments is on protecting sensitive server resources by determining whether or not a client is authorized to access those resource...
A new generation of WSN communication transceivers are now available that support time-of-flight distance measurement. This measurement can be inseparably integrated with message t...
In an open environment such as the Internet, the decision to collaborate with a stranger (e.g., by granting access to a resource) is often based on the characteristics (rather tha...