Fernando F. de Sousa

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The advances of Virtual Reality techniques have aided Virtual Environments become more dynamic and more realistic. The need to turn such systems closer to user's reality has led to environments that both track users actions and are capable of adapting to the users' profile. This article presents an infrastructure for managing virtual reality components,(More)
Adaptive virtual environments have been developed aiming at generating 3D environments adapted to user's necessities and interests. Navigation aid techniques and content adaptation improve user interaction in such environments. This article presents a system for supporting real time adaptive virtual environments. A multiagents architecture is used to manage(More)
This paper presents the security architecture designed for SaNTA (Satellite Networks Transport Architecture). SaNTA is an architecture designed for accelerating TCP connections through satellite links. It uses a split architecture to overcome problems in the TCP congestion control mechanism when using satellite links. However, such split architecture cannot(More)
Virtual environments able to track users actions and adapt to the user's profile are closer to their needs. This article presents a multi-agent architecture for managing virtual reality components, allowing the generation of adaptive virtual environments in real time adapted to the user's cognitive evolution. The agents which act in such architecture,(More)
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