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    Simulation of obfuscation and negotiation for location privacy

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    Author
    DUCKHAM, MATT; KULIK, LARS
    Date
    2005
    Source Title
    Lecture Notes in Computer Science 3693
    Publisher
    Springer
    University of Melbourne Author/s
    Kulik, Lars; Duckham, Matt
    Affiliation
    Engineering: Department of Geomatics
    Metadata
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    Document Type
    Book Chapter
    Citations
    Duckham, M.& Kulik, L. (2005). Simulation of obfuscation and negotiation for location privacy. In D. Mark & A. G. Cohn (Eds.) Lecture Notes in Computer Science 3693 (pp. 31-48). Springer.
    Access Status
    This item is currently not available from this repository
    URI
    http://hdl.handle.net/11343/33597
    Description

    Publisher's version is restricted access in accordance with the publisher's policy. The original publication is available at http://www.springerlink.com

    Abstract
    Current mobile computing systems can automatically sense and communicatedetailed data about a person’s location. Location privacy is an urgent researchissue because concerns about privacy are seen to be inhibiting the growthof mobile computing. This paper investigates a new technique for safeguardinglocation privacy, called obfuscation, which protects a person’s location privacy bydegrading the quality of information about that person’s location. Obfuscation isbased on spatial imperfection and offers an orthogonal approach to conventionaltechniques for safeguarding information about a person’s location. Imprecisionand inaccuracy are two types of imperfection that may be used to achieve obfuscation.A set of simulations are used to empirically evaluate different obfuscationstrategies based on imprecision and inaccuracy. The results show that obfuscationcan enable high quality of service in concert with high levels of privacy.

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