A self-configuring privacy management architecture for pervasive systems
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An increasing number of systems use contextualinformation about their users. Such contextualinformation can be used to design applications thatsurvey usage and adapt thereafter, or simply just usecontext information to optimize presentation. Contextinformation could therefore be used to create applicationsfor the benefit of the users of the system, but the sameinformation could cause serious violations of personalintegrity if misused. Locality may be the most widely used,but also the most sensitive contextual information. TheAlipes platform makes it easy to create location-basedservices while enforcing user privacy and integrity. Theplatform handles privacy through rules that describe howand under what circumstances a user's context may bedistributed to other users, for example rules describinglimitations concerning the user's context, a certain timeperiod, the number of queries and the type ofapplications. This paper presents how location privacy isenforced in the Alipes platform.