Abstract. Security issues have to be carefully considered for information systems that support the business processes of an organization, in particular, when these systems build on...
Role is a widespread concept, it is used in many areas like MAS, Programming Languages, Organizations, Security and OO modelling. Unfortunately, it seems that the literature is not...
Cryptography has emerged as an enormously important component of the networked world. People are hesitant to trust the World Wide Web and e-commerce without the protections crypto...
As electronic commerce will increase, players will increasingly wish to have signed documents and strong encryption. According to current knowledge, it must be expected that the co...
The Resource Oriented Authorization Manager (ROAM) was created to provide a simple but flexible authorization system for the FusionGrid computational grid. ROAM builds on and exte...