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Decentralized Self-Management of Trust for Mobile Ad Hoc Social Networks

Author(s): Juan Li | Qingrui Li

Journal: International Journal of Computer Networks & Communications
ISSN 0975-2293

Volume: 3;
Issue: 6;
Start page: 1;
Date: 2011;
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Keywords: Mobile wireless network | Social network | Trust | Privacy

The construction of social networks over mobile devices in the events or at locations has emerged as anew network paradigm. These new mobile social networks enable people to communicate and share theirexperiences without the need to have Internet access and with minimum required infrastructure.However, the functionality and security of such networks would be potentially undermined without aneffective trust management scheme. Although many trust management systems have been proposed, few ofthem can be applied to these new mobile social networks because of the unique network andcommunication characteristics. This paper presents a novel trust management system, termedMobileTrust, to establish decentralized, secure and reliable trust relationships between mobile ad hocsocial network participants. Specifically, the construction of trust models encompasses both scenariosthat users are experienced with the network and users are unacquainted with the environment. The trustmodels cover various important factors of trust relationships in social networks, including the similarityof user profile, reputation, and history of friendship. A set of simulations is conducted to evaluate oursystem deployed in a mobile social network in the presence of dishonest users.
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