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COMSNETS
2012

Assessing the veracity of identity assertions via OSNs

7 years 7 months ago
Assessing the veracity of identity assertions via OSNs
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. FaceTrust 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 net...
Michael Sirivianos, Kyungbaek Kim, Jian Wei Gan, X
Added 20 Apr 2012
Updated 20 Apr 2012
Type Journal
Year 2012
Where COMSNETS
Authors Michael Sirivianos, Kyungbaek Kim, Jian Wei Gan, Xiaowei Yang
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