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* Corresponding author 1 LaBRI - Laboratoire Bordelais de Recherche en Informatique

Abstract : Social Networks such as LinkedIn or FaceBook offer the opportunity to set up a group of friends or professional relationships. In such systems, the interaction most of the time takes place through a central Web site that can be accessed from a browser or from a mobile phone. In some sense the relationship thus remains virtual, disconnected from the real world. SIM-Mee bridges the gap between social networks and the real world, by making it possible to discover and interact with the members of your own network who happen to be geographically close to you in the real life, still ensuring privacy. From a technical point of view, it illustrates the convergence of several technologies NFC, SAT, SCWS, Bluetooth inside a single community oriented service. SIM-Mee relies on the secure exchange of virtual business cards, including signatures, each card being stored in the USIM of its owner-s mobile phone. Exchanging cards is achieved in a contactless secure manner by using NFC, by touching one phone with the other. Based on these cards and signatures, SIM-Mee offers a mobile social networking service in which a SIM-Mee user is able to discover those of his friends i.e. the persons of who he owns the virtual business cards who are in his neighborhood. The list of discoverable friends and the list of friends the user agrees to be discovered by are manageable through and address book like system by means of a Servlet embedded in the USIM. This system can be used for instance in a train or an airport. One can select the persons he agrees to talk with, and if they are also present in the train-airport then both parties will receive a message saying that they are close to each other. They will then be able to initiate a classical call-text message and eventually meet somewhere in the train-airport.

Autor: Jérémie Albert - Serge Chaumette - Damien Dubernet - Jonathan Ouoba -



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