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dc.contributor.authorLei, Po-Rueyen_US
dc.contributor.authorPeng, Wen-Chihen_US
dc.contributor.authorSu, Ing-Jiunnen_US
dc.contributor.authorChang, Chien-Pingen_US
dc.date.accessioned2014-12-08T15:22:21Z-
dc.date.available2014-12-08T15:22:21Z-
dc.date.issued2012-03-01en_US
dc.identifier.issn1016-2364en_US
dc.identifier.urihttp://hdl.handle.net/11536/15826-
dc.description.abstractDummy-based anonymization techniques for protecting the location privacy of mobile users have appeared in the literature. By generating dummies that move in human-like trajectories, this approach shows that the location privacy of mobile users can be preserved. However, the trajectories of mobile users can still be exposed by monitoring the long-term movement patterns of users. We argue that, once the trajectory of a user is identified, the locations of the user are exposed. Thus, it is critical to protect the movement trajectories of mobile users in order to preserve user location privacy. We propose two schemes that generate consistent movement patterns in the long run. Guided by three parameters in a user specified privacy profile, namely, short-term disclosure, long-term disclosure and distance deviation, the proposed schemes derive movement trajectories for dummies. The experimental results show that our proposed schemes are more effective than existing works in protecting movement trajectories.en_US
dc.language.isoen_USen_US
dc.subjectlocation privacyen_US
dc.subjectuser movement patternsen_US
dc.subjectlocation-based servicesen_US
dc.subjecttrajectory pattern protectionen_US
dc.subjectdummy-based anonymizationen_US
dc.titleDummy-Based Schemes for Protecting Movement Trajectoriesen_US
dc.typeArticleen_US
dc.identifier.journalJOURNAL OF INFORMATION SCIENCE AND ENGINEERINGen_US
dc.citation.volume28en_US
dc.citation.issue2en_US
dc.citation.spage335en_US
dc.citation.epage350en_US
dc.contributor.department資訊工程學系zh_TW
dc.contributor.departmentDepartment of Computer Scienceen_US
dc.identifier.wosnumberWOS:000301991800006-
dc.citation.woscount3-
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