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The growing popularity of Location-Based Services, allowing for the collection of huge amounts of information regarding users’ locations, has started raising serious privacy concerns. In this survey we analyze the various kinds of privacy breaches that may arise in connection with the use of location-based services, and we consider and compare some of the mechanisms and the metrics that have been proposed to protect the user’s privacy, focusing in particular on the comparison between probabilistic spatial obfuscation techniques.
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Chatzikokolakis et al. (2017) studied this question.
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