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Werner, Martin (2016): Privacy-protected communication for location-based services. In: Security and Communication Networks, Vol. 9, No. 2: pp. 130-138
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Location-based services (LBSs) are emerging fast, and the problems with privacy are growing with them. Although a platform for LBSs can provide the user with high-quality LBS browsing and powerful mechanisms to reduce the amount of location data transmitted, such a platform is dangerous because it has to manage the location data of the users and the actual service use. This aggregation of private data is a risk in itself. With this paper, we want to show that it is possible to implement most LBSs without such a platform and propose a mechanism enabling fine-grained control of privacy for an LBS user. We make use of strong cryptographic techniques to enable a real trust relation between individuals and a weaker trust relation between an individual and a company. Copyright (c) 2011 John Wiley-Blackwell & Sons, Ltd.