Modeling Privacy Control in Context-Aware Systems

  • Authors:
  • Xiaodong Jiang;James A. Landay

  • Affiliations:
  • -;-

  • Venue:
  • IEEE Pervasive Computing
  • Year:
  • 2002

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Abstract

From a system design standpoint, privacy control in context-aware systems faces significant challenges. Grouping is an important technique that defines the boundaries for which you can express and enforce permissions. A context-aware system realizes boundaries by providing useful abstractions that distinguish objects and actions along the boundaries that have meaningful privacy implications for the user. In this article, we describe a theoretical model for privacy control in context-aware systems based on a core abstraction of information spaces. We also discuss how we can introduce decentralization, a desirable property for many pervasive computing systems, into our information space model using unified privacy tagging.