There is a need for research on the scientific base and engineering requirements for building trustworthy systems in dynamic environments. To address this need, we study risk analy...
: Web services over the Internet are widely used nowadays. The problem of secure access to Web-based systems is of great importance naturally. Compared with the existing models, th...
In this paper we describe how a single Khepera II robot was used for an assignment in a senior level course on graphical user interface implementation. The assignment required eac...
Abstract. One important problem for such public broadcast LBS is to enforce access control on a large number of subscribers. In such a system a user typically subscribes to a LBS f...
Abstract. We present a modelling language, called X-Policy, for webbased collaborative systems with dynamic access control policies. The access to resources in these systems depend...