Personal Data for Personal Use: Case Studies in User Modeling for Context-Aware Computing

Andrea Lockerd and Ernesto Arroyo

In this paper we focus on the user modeling aspect of Context-Aware Computing and the social contract between proactive systems and their users. In these systems that create and maintain users models, having a standard social contract provides the user with consistency and allows the system to better meet their expectations. Personal data for personal use is one example of a social contract in which privacy is assumed unless otherwise indicated by the user. This paper describes three different systems that give users a sense of control, regarding information disclosure, by limiting the use of personal information to the local domain.

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