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A Privacy Preservation Model for Facebook-Style Social Network Systems

  • Philip W. L. Fong
  • Mohd Anwar
  • Zhen Zhao
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5789)

Abstract

Recent years have seen unprecedented growth in the popularity of social network systems, with Facebook being an archetypical example. The access control paradigm behind the privacy preservation mechanism of Facebook is distinctly different from such existing access control paradigms as Discretionary Access Control, Role-Based Access Control, Capability Systems, and Trust Management Systems. This work takes a first step in deepening the understanding of this access control paradigm, by proposing an access control model that formalizes and generalizes the privacy preservation mechanism of Facebook. The model can be instantiated into a family of Facebook-style social network systems, each with a recognizably different access control mechanism, so that Facebook is but one instantiation of the model. We also demonstrate that the model can be instantiated to express policies that are not currently supported by Facebook but possess rich and natural social significance. This work thus delineates the design space of privacy preservation mechanisms for Facebook-style social network systems, and lays out a formal framework for policy analysis in these systems.

Keywords

Access Control Access Control Policy Privacy Preservation Access Control Model Social Graph 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • Philip W. L. Fong
    • 1
  • Mohd Anwar
    • 1
  • Zhen Zhao
    • 2
  1. 1.Department of Computer ScienceUniversity of CalgaryAlbertaCanada
  2. 2.Department of Computer ScienceUniversity of ReginaSaskatchewanCanada

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