In the paper, we describe an optical system which is capable of providing external access to both the sensor and the lens aperture (i.e., projection center) of a conventional came...
Compared to all emerging issues, privacy is probably the most prominent concern when it comes to judging the effects of a wide spread deployment of ubiquitous computing. On one ha...
We present a risk management framework which allows to reason about and manage risk for role based access control systems. The framework expresses essential characteristics of risk...
Abstract We explore the problem of portable and flexible privacy preserving access rights that permit access to a large collection of digital goods. Privacy-preserving access contr...
The heterogeneous nature and independent administration of geographically dispersed resources in Grid, demand the need for access control using fine-grained policies. In this pape...
Elisa Bertino, Pietro Mazzoleni, Bruno Crispo, Swa...