A privacy-preserving framework for outsourcing location-based services to the cloud

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buir.contributor.authorAyday, Erman
buir.contributor.orcidAyday, Erman|0000-0003-3383-1081
dc.citation.epage399en_US
dc.citation.issueNumber1en_US
dc.citation.spage384en_US
dc.citation.volumeNumber18en_US
dc.contributor.authorZhu, X.
dc.contributor.authorAyday, Erman
dc.contributor.authorVitenberg, R.
dc.date.accessioned2022-01-28T12:29:45Z
dc.date.available2022-01-28T12:29:45Z
dc.date.issued2021
dc.departmentDepartment of Computer Engineeringen_US
dc.description.abstractThanks to the popularity of mobile devices numerous location-based services (LBS) have emerged. While several privacy-preserving solutions for LBS have been proposed, most of these solutions do not consider the fact that LBS are typically cloud-based nowadays. Outsourcing data and computation to the cloud raises a number of significant challenges related to data confidentiality, user identity and query privacy, fine-grained access control, and query expressiveness. In this work, we propose a privacy-preserving framework for outsourcing LBS to the cloud. The framework supports multi-location queries with fine-grained access control, and search by location attributes, while providing semantic security. In particular, the framework implements a new model that allows the user to govern the trade-off between precision and privacy on a dynamic per-query basis. We also provide a security analysis to show that the proposed scheme preserves privacy in the presence of different threats. We also show the viability of our proposed solution and scalability with the number of locations through an experimental evaluation, using a real-life OpenStreetMap dataset.en_US
dc.identifier.doi10.1109/TDSC.2019.2892150en_US
dc.identifier.eissn1941-0018
dc.identifier.issn1545-5971
dc.identifier.urihttp://hdl.handle.net/11693/76879
dc.language.isoEnglishen_US
dc.publisherIEEEen_US
dc.relation.isversionofhttps://doi.org/10.1109/TDSC.2019.2892150en_US
dc.source.titleIEEE Transactions on Dependable and Secure Computingen_US
dc.subjectDatabase outsourcingen_US
dc.subjectPrivacy-preservingen_US
dc.subjectEfficiencyen_US
dc.subjectMulti-locationen_US
dc.subjectBloom filteren_US
dc.subjectLBSen_US
dc.titleA privacy-preserving framework for outsourcing location-based services to the clouden_US
dc.typeArticleen_US

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