Jaegwan Yu

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Although location-based services (LBSes), such as nearest neighbor query, have become popular, privacy remains a challenging issue for users. Many privacy preserving techniques have been proposed, but their complexity, insufficiency, and time consumption make them unattractive to users, who prefer accuracy and quickness. To address this limitation, we(More)
This paper presents a spoofing attack detection framework based on physical network characteristics (e.g., received signal strength indicator round trip time and link quality indicator) that cannot easily be mimicked by artificial means. Unlike most previous studies that are sensitive to changes in network conditions, we propose a spoofing attack detection(More)
As the popularity of location-based services (LBSes) is increasing, the location privacy has become a main concern. Among the rich collection of location privacy techniques, the spatial cloaking is one of the most popular techniques. In this paper, we propose a new spatial cloaking technique to hide a user's location under a cloaking of the serving base(More)
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