José Valentim Dos Santos Filho

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—The world globalization process, the increasing demand of communication and information technologies creates an enormous demand for collaborative applications. Aiming to support communication, information change and collaboration between users distant geographically, many CSCW (Computer Supported Cooperative Work) systems like audio and videocon-ference,(More)
—The world globalization process, the increasing demand of communication and information technologies creates an enormous demand for collaborative applications. Aiming to support communication, information change and collaboration between users geographically distants, many CSCW (Computer Supported Cooperative Work) systems like audio and videocon-ference,(More)
The world globalization process, the increasing demand of communication and information technologies creates an enormous demand for collaborative applications. Aiming to support communication, information change and collaboration among users geographically distant, many CSCW (Computer Supported Cooperative Work) systems like audio and video-conference,(More)
The world globalization process, the increasing demand for communication and information technologies create a demand for collaborative applications. Aiming at supporting communication , information exchange and collaboration among users geographically distants, many CSCW (Computer Supported Cooperative Work) systems like audio and videocon-ference, shared(More)
RESUMO Ambientes Virtuais Colaborativos (AVCs) representam uma importante categoria de sistemas CSCW (Computer-Supported Cooperative Work), que utilizam espaços 3D compartilhados a fim de suportar atividades de colaboração. No que diz respeitò as políticas de controle de acessos em AVCs, elas são freqüentemente baseadas somente no conceito de role. Neste(More)
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