A middleware architecture for integrating privacy preferences and location accuracy

Claudio Agostino Ardagna, Marco Crcmonini, Ernesto Damiani, Sabrina De Capitani di Vimercati, Pierangela Samarati

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

14 Scopus citations


Location-Based Access Control (LBAC) systems support the evaluation of conditions on locations in the enforcement of access control policies. The ability to evaluate conditions on a set of authorized locations has a number of well-known advantages, including enriching access control expressiveness. However, when locations are used in combination with personal identities, users privacy must be considered. In this paper, we describe a solution to integrate a LBAC system with privacy-enhanced techniques based on location obfuscation. Our solution is based on a privacy-aware middleware component that explicitly addresses the trade-off between users privacy and location accuracy by satisfying preferences set by users and maximizing the quality of location information released to LBAC systems.

Original languageBritish English
Title of host publicationNew Approaches for Security, Privacy and Trust in Complex Environments
Subtitle of host publicationProceedings of the IFIP TC-11 22nd International Information Security Conference (SEC 2007), 14-16 May 2007, Sandton, S. Africa
EditorsHein Venter, Jan Eloff, Mariki Eloff, Les Labuschagne, Rossouw Solms
Number of pages12
StatePublished - 2007

Publication series

NameIFIP International Federation for Information Processing
ISSN (Print)1571-5736


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