3D information systems for education must be investigated and adopted for a more involving form of learning. It is in this context that we propose the use of Second Life as an env...
Role-based access control (RBAC) has been proven to be a flexible and useful access control model for information sharing in distributed collaborative environments. Permission-rol...
Web Services for CAD (WSC)[8] aims at interoperation with a commercial CAD system based on Web Services. This paper introduces one improvement of WSC which enables remote users to...