Many types of information available in a pervasive computing environment, such as people location information, should be accessible only by a limited set of people. Some propertie...
Mobile devices, such as mobile phones, are becoming multi-purpose devices. These devices are capable of storing data as well as running custom applications. As more people adopt t...
Delegation is a mechanism that allows a user A to act on another user B's behalf by making B's access rights available to A. It is well recognized as an important mechani...
There is currently a strong focus worldwide on the potential of large-scale Electronic Health Record systems to cut costs and improve patient outcomes through increased efficiency....
Privacy has been acknowledged to be a critical requirement for many business environments. A variety of uncertainty and mutability poses challenges when sharing resources must happ...