Abstract. Security policies, in particular access control, are fundamental elements of computer security. We address the problem of authoring and analyzing policies in a modular wa...
With the growing use of wireless networks and mobile devices, we are moving towards an era where spatial and temporal information will be necessary for access control. The use of s...
In this paper we are interested in argument based reasoning for access control, for example in the context of agents negotiating access to resources or web services in virtual orga...
Guido Boella, Joris Hulstijn, Leendert W. N. van d...
This paper introduces the PeerAccess framework for reasoning about authorization in open distributed systems, and shows how a parameterization of the framework can be used to reas...
Marianne Winslett, Charles C. Zhang, Piero A. Bona...
This paper makes two main contributions towards establishing support for application-specific factors in middleware security mechanisms. First, it develops a simple classification...