Large scale hardware-supported multithreading, an attractive means of increasing computational power, benefits significantly from low per-thread costs. Hardware support for ligh...
MASSIVE is a distributed virtual reality system. It provides rich facilities to support user interaction and cooperation via text, audio and graphics media, and interaction is con...
To guarantee the security of computer systems, it is necessary to define security permissions to restrict the access to the systems’ resources. These permissions rely on certai...
This paper presents the AulaNet learning management system, its architecture and the collaboration model that guided its development and that was refined during this process. A ca...
MPEG-4 is an important international standard with wide applicability. This paper focuses on MPEG-4’s main profile, video, whose approach allows more efficiency in coding and ...