Abstract. Information sharing on distributed collaboration usually occurs in broad, highly dynamic network-based environments, and formally accessing the resources in a secure mann...
In this paper we simulate an authorization and delegation system using knowledge based technology. This proposal is part of a visual tool that is intended to be an implementation ...
Trust management represents today a promising approach for supporting access control in open environments. While several approaches have been proposed for trust management and sig...
Sabrina De Capitani di Vimercati, Sushil Jajodia, ...