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Um modelo de grupos para aplicações interactivas distribuídas ( Phd Thesis ) Abstract:The generalization of the use of mobile devices such as laptops and hand-held devices with increased computational capabilities, as well as the evolution on the wireless network infrastructure have given the users the possibility of being connected all the time to each other. This gave place to a significant increase in the development of applications, exploring mobility and interaction. It's also a fact that humans tend to interact with each other, establishing communications in order to share information and naturally tend to establish relationships and form groups. This motivates research on the models, abstractions and mechanisms which enable a transparent and flexible specification of interactions between users and group based collaborations. In this work we discuss typical application scenarios and requirements they pose to the underlying support environments. We are particularly concerned with the way the entities, within these environments, establish connections and group themselves in more complex structures, defining new sets of functionalities and services. The main goal of this work was to define and develop a model able to capture the dynamics of the application driven group management, in order to support the interactions between group members, in a transparent and flexible way. The model encompasses a set of primitives and services that are specialized for environments supporting group based applications. The primitives help the developer to specify the collaboration and communication between members of established groups. Usually these groups have a dynamic nature, with members entering and leaving, and groups being created and destroyed over time. School: FCT-UNL ( Portugal ) Date: 2007 Authors: |
