Abstract. We present a framework for designing and composing services in a secure manner. Services can enforce security policies locally, and can invoke other services in a “call...
Massimo Bartoletti, Pierpaolo Degano, Gian Luigi F...
Process algebras are widely used for defining the formal semantics of concurrent communicating processes. In process algebra, concurrent processes can be specified to execute di...
Synchronous functional languages such as Lustre or Lucid Synchrone define a restricted class of Kahn Process Networks which can be executed with no buffer. Every expression is as...
Virtual environments (VEs) are a broad multidisciplinary research area that includes all aspects of computer science, virtual reality, virtual worlds, teleoperation and telepresenc...
Donald P. Brutzman, Michael R. Macedonia, Michael ...
In the field of eLearning systems, several systems have been implemented in order to create a virtual university or virtual training center. By connecting several virtual universit...