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Location-based trust for mobile user-generated content: applications, challenges and implementations

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Location-based trust for mobile user-generated content: applications, challenges and implementations
The recent explosion in shared media content and sensed data produced by mobile end-users is challenging well-established principles and assumptions in data trust models. A fundamental issue we address in this paper is how to establish some trust level in the authenticity of content created by untrusted mobile users. We advocate a secure localization and certification service that allows content producers to tag their content with with a spatial timestamp indicating its physical location. At the same time, however, our approach preserves the privacy of producers by not exposing their identity to the potential content consumers. We provide a list of existing and possible applications that would profit from such a secure localization service and sketch possible implementations of the service, highlighting advantages and drawbacks.
Vincent Lenders, Emmanouil Koukoumidis, Pei Zhang,
Added 01 Jun 2010
Updated 01 Jun 2010
Type Conference
Year 2008
Where WMCSA
Authors Vincent Lenders, Emmanouil Koukoumidis, Pei Zhang, Margaret Martonosi
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