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1 LSR - IMAG - Laboratoire Logiciels Systèmes Réseaux

Abstract : The evolution of mobile technologies, like web-enable cellphones, PDAs and wireless networks, makes it now possible to use these technologies for collaborative work through web-based groupware systems. However, due to the limitations of these technologies, some adaptation is essential in these systems. In order to adapt their behaviour to the user-s context, groupware systems must be built as context-aware systems. Besides the characteristics of the user-s context, we believe that the user-s preferences should also be taken into account by the adaptation process. In this paper, we present a two-fold approach for adapting the informational content delivered to a mobile user by web-based groupware systems: we propose a filtering mechanism which considers both the current context and preferences for this context. The notion of context is represented through an object-based model we have proposed, which takes into account the user-s physical context as well as the user-s collaborative context, including elements dedicated to the collaborative process in which the user is involved notions of group, role, activity, etc

The user-s preferences are represented by a set of pre-defined profiles, which are exploited by the adaptation process in order to organize the delivered information into several levels of detail, based on a progressive access model. The proposed filtering mechanism is performed in two steps: first, it analyses the user-s current context and selects, among the user-s pre-defined profiles, those which have been defined for a situation found in this context. Second, it uses the progressive access model in order to filter and organize the available information, according to the selected profiles.

Keywords : context-aware computing user adaptation progressive access web-based groupware systems CSCW

Autor: Manuele Kirsch-Pinheiro - Marlene Villanova-Oliver - Jerôme Gensel - Hervé Martin -

Fuente: https://hal.archives-ouvertes.fr/


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