@inproceedings{DBLP:conf/sdmw/BettiniWJ05,
  author    = {Claudio Bettini and
               Xiaoyang Sean Wang and
               Sushil Jajodia},
  title     = {Protecting Privacy Against Location-Based Personal
Identification},
  booktitle = {Secure Data Management},
  year      = {2005},
  pages     = {185-199},
  ee        = {http://dx.doi.org/10.1007/11552338_13},
  crossref  = {DBLP:conf/sdmw/2005},
  bibsource = {DBLP, http://dblp.uni-trier.de} }

@proceedings{DBLP:conf/sdmw/2005,
  editor    = {Willem Jonker and
               Milan Petkovic},
  title     = {Secure Data Management, Second VLDB Workshop, SDM 2005,
               Trondheim, Norway, September 2-3, 2005, Proceedings},
  booktitle = {Secure Data Management},
  publisher = {Springer},
  series    = {Lecture Notes in Computer Science},
  volume    = {3674},
  year      = {2005},
  isbn      = {3-540-28798-1},
  bibsource = {DBLP, http://dblp.uni-trier.de} }

Abstract: This paper presents a preliminary investigation on the privacy issues involved in the use of location-based services. It is argued that even if the user identity is not explicitly released to the service provider, the geo-localized history of user-requests can act as a quasi-identifier and may be used to access sensitive information about specific individuals. The paper formally defines a framework to evaluate the risk in revealing a user identity via location information and presents preliminary ideas about algorithms to prevent this to happen. 


    Book Series - 
    Book Title  - Secure Data Management
    Chapter Title  - Protecting Privacy Against Location-Based Personal Identification
    First Page  - 185
    Last Page  - 199
    Copyright  - 2005
    Author  - Claudio Bettini
    Author  - X. Sean Wang
    Author  - Sushil Jajodia
    DOI  - 10.1007/11552338_13
    Link  - http://www.springerlink.com/content/f848008516886231