Privacy Preservation in Context Aware Geosocial Networking Applications

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dc.contributor.authorJagtap, Pramod
dc.contributor.authorJoshi, Anupam
dc.contributor.authorFinin, Tim
dc.contributor.authorZavala, Laura
dc.date.accessioned2018-11-16T16:03:02Z
dc.date.available2018-11-16T16:03:02Z
dc.date.issued2011-05-01
dc.description.abstractRecent years have seen a confluence of two major trends - the increase of mobile devices such as smart phones as the primary access point to networked information and the rise of social media platforms that connect people. Their convergence supports the emergence of a new class of context-aware geo-social networking applications. While existing systems focus mostly on location, our work centers on models for representing and reasoning about a more inclusive and higher-level notion of context, including the user's location and surroundings, the presence of other people and devices, feeds from social networking systems they use, and the inferred activities in which they are engaged. A key element of our work is the use of collaborative information sharing where devices share and integrate knowledge about their context. This introduces the need for privacy and security mechanisms. We present a framework to provide users with appropriate levels of privacy to protect the personal information their mobile devices are collecting including the inferences that can be drawn from the information. We use Semantic Web technologies to specify high-level, declarative policies that describe user's information sharing preferences. We have built a prototype system that aggregates information from a variety of sensors on the phone, online sources, and sources internal to the campus intranet, and infers the dynamic user context. We show how our policy framework can be e ffectively used to devise better privacy control mechanisms to control information ow between users in such dynamic mobile systems.en_US
dc.description.sponsorshipThe research described in this paper was supported by the National Science Foundation (award 0910838) and the Air Force Office of Scientific Research (MURI Grant FA9550-08-0265)en_US
dc.description.urihttps://ebiquity.umbc.edu/paper/html/id/537/Privacy-Preservation-in-Context-Aware-Geosocial-Networking-Applicationsen_US
dc.format.extent10 pagesen_US
dc.genretechnical reportsen_US
dc.identifierdoi:10.13016/M2WH2DJ75
dc.identifier.urihttp://hdl.handle.net/11603/12026
dc.language.isoen_USen_US
dc.publisherUniversity of Maryland, Baltimore Countyen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Computer Science and Electrical Engineering Department Collection
dc.relation.ispartofUMBC Faculty Collection
dc.relation.ispartofUMBC Student Collection
dc.rightsThis item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.
dc.subjectcontexten_US
dc.subjectmobileen_US
dc.subjectprivacyen_US
dc.subjectpolicyen_US
dc.subjectsocial networkingen_US
dc.subjectmobile computingen_US
dc.subjectUMBC Ebiquity Research Groupen_US
dc.titlePrivacy Preservation in Context Aware Geosocial Networking Applicationsen_US
dc.typeTexten_US

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