Pervasive user mobility, wireless connectivity and the widespread diffusion of portable devices raise new challenges for ubiquitous service provisioning. An emerging architecture ...
Antonio Corradi, Rebecca Montanari, Daniela Tibald...
Abstract. An extension of the λ-calculus is proposed, to study historybased access control. It allows for security policies with a possibly nested, local scope. We define a type ...
Massimo Bartoletti, Pierpaolo Degano, Gian Luigi F...
Abstract. Mobile agent systems provide new perspectives for distributed e-commerce applications. These applications may present specific restrictions, making mobile agent systems ...
Guillermo Navarro, Jose A. Ortega-Ruiz, Joan Ametl...
Abstract. This paper presents an access control model for programming applications in which the access control to resources can employ user interaction to obtain the necessary perm...