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.
Protecting Privacy Against Location-based Personal Identification / C. Bettini, X.S. Wang, S. Jajodia - In: Secure Data Management: Second VLDB Workshop, SDM 2005 : Trondheim, Norway, August 30–September 2, 2005 : Proceedings / Willem Jonker, Milan Petkovic. - Berlin : Springer-Verlag, 2005. - ISBN 3540287981. - pp. 185-199 (( Intervento presentato al 2. convegno VLDB Workshop on Secure Data Management tenutosi a Trondheim, Norvay nel 2005 [10.1007/11552338].
Protecting Privacy Against Location-based Personal Identification
C. BettiniPrimo
;
2005
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.
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