They have to be able to perceive this context and to adapt their behaviours by considering data that deals with the context of use and user preferences.
Keywords: context of use, user profile, web-based information system, nomadic environment, ontology, user preferences, conflicts, ubiquitous computing, web service
This latter includes the context of use as well as information on its profile.
Actually, ensuring access by nomadic users to information Systems through various devices and the adaptation of responses to nomadic users profile and context of use are two bound problems.
How to model the context of use and the nomadic user profile?
In order to answer these questions, we propose, in this paper, a novel approach which essentially allows: (1) to model the context of use and the user's preferences using a developed ontology "Contology", basing on a new definition of the context which separates application data from contextual data.
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