Privacy-Aware Location Database Service for Granular Queries

Authors:
Shinsaku Kiyomoto;Keith M. Martin;Kazuhide Fukushima
Affiliations:
KDDI R & D Laboratories Inc., Saitama, Japan 356-8502;Information Security Group, Royal Holloway University of London, Egham, UK TW20 0EX;KDDI R & D Laboratories Inc., Saitama, Japan 356-8502
Venue:
WISTP '09 Proceedings of the 3rd IFIP WG 11.2 International Workshop on Information Security Theory and Practice. Smart Devices, Pervasive Systems, and Ubiquitous Networks
Year:
2009

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Abstract

Future mobile markets are expected to increasingly embrace location-based services . This paper presents a new system architecture for location-based services, which consists of a location database and distributed location anonymizers. The service is privacy-aware in the sense that the location database always maintains a degree of anonymity. The location database service permits three different levels of query and can thus be used to implement a wide range of location-based services. Furthermore, the architecture is scalable and employs simple functions that are similar to those found in general database systems.