Role-based access control (RBAC) has been introduced in the last few years, and offers a powerful means of specifying access control decisions. The model of RBAC usually assumes t...
Abstract. This paper describes jcc, an integration of the timed default concurrent constraint programming framework [16] (Timed Default cc) into JAVA [7]. jcc is intended for use i...
Business Processes for Web Services are the new paradigm for lightweight enterprise integration. They cross organizational boundaries, are provided by entities that see each other ...
Interactive access control allows a server to compute and communicate on the fly the missing credentials to a client and to adapt its responses on the basis of presented and decli...
We present a system for real-time configuration of multimodal interfaces to Virtual Environments (VE). The flexibility of our tool is supported by a semantics-based representati...