Please use this identifier to cite or link to this item: http://ktisis.cut.ac.cy/handle/10488/7160
Title: Assessing the veracity of identity assertions via OSNs
Authors: Kim, Kyungbaek 
Gan, Jian Wei 
Sirivianos, Michael 
Keywords: Internet
Social networks
Information systems
Computer networks
Issue Date: 2012
Publisher: IEEE Xplore
Source: 2012 Fourth international conference on communication systems and networks (COMSNETS), Pages 1-10
Abstract: Anonymity is one of the main virtues of the Internet, as it protects privacy and enables users to express opinions more freely. However, anonymity hinders the assessment of the veracity of assertions that online users make about their identity attributes, such as age or profession. We propose FaceTrust, a system that uses online social networks to provide lightweight identity credentials while preserving a user's anonymity. Face-Trust employs a “game with a purpose” design to elicit the opinions of the friends of a user about the user's self-claimed identity attributes, and uses attack-resistant trust inference to assign veracity scores to identity attribute assertions. FaceTrust provides credentials, which a user can use to corroborate his assertions. We evaluate our proposal using a live Facebook deployment and simulations on a crawled social graph. The results show that our veracity scores strongly correlate with the ground truth, even when a large fraction of the social network users is dishonest and employs the Sybil attack
URI: http://ktisis.cut.ac.cy/handle/10488/7160
ISBN: 978-1-4673-0296-8 (print)
978-1-4673-0297-5 (online)
DOI: 10.1109/COMSNETS.2012.6151325
Appears in Collections:Κεφάλαια βιβλίων/Book chapters

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