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dc.contributor.authorRebollo Monedero, David
dc.contributor.authorForné Muñoz, Jorge
dc.contributor.authorSolanas, Agusti
dc.contributor.authorMartinez-Balleste, Antoni
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Enginyeria Telemàtica
dc.date.accessioned2011-03-30T12:23:33Z
dc.date.available2011-03-30T12:23:33Z
dc.date.issued2010
dc.identifier.issn0140-3664
dc.identifier.urihttp://hdl.handle.net/2117/12177
dc.description.abstractPrivacy and security are paramount in the proper deployment of location-based services (LBSs). We present a novel protocol based on user collaboration to privately retrieve location-based information from an LBS provider. Our approach does not assume that users or providers can be completely trusted with regard to privacy, and does not rely on a trusted third party. In addition, user queries, containing accurate locations, remain unchanged, and the collaborative protocol does not impose any special requirements on the query–response function of the LBS. Our protocol is analyzed in terms of privacy, network traffic, and processing overhead. We define the concept of guaranteed privacy breach probability, and we show that our proposal provides exponential scalability in that probability, at the expense of a linear relative network cost.
dc.format.extent13 p.
dc.language.isoeng
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subjectÀrees temàtiques de la UPC::Informàtica::Intel·ligència artificial::Representació del coneixement
dc.subject.lcshInformation retrieval
dc.subject.lcshLocation-based services
dc.titlePrivate location-based information retrieval through user collaboration
dc.typeArticle
dc.subject.lemacSistema de posicionament global
dc.subject.lemacWireless Application Protocol (Protocol de xarxes d'ordinador)
dc.contributor.groupUniversitat Politècnica de Catalunya. SERTEL - Serveis Telemàtics
dc.identifier.doi10.1016/j.comcom.2009.11.024
dc.description.peerreviewedPeer Reviewed
dc.rights.accessOpen Access
dc.description.versionPreprint
local.personalitzacitaciotrue


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