Improved algorithms for topic distillation in a hyperlinked environment
Proceedings of the 21st annual international ACM SIGIR conference on Research and development in information retrieval
Communications of the ACM
Human computation
Code: Version 2.0
The dynamics of viral marketing
ACM Transactions on the Web (TWEB)
Scalable modeling of real graphs using Kronecker multiplication
Proceedings of the 24th international conference on Machine learning
Measurement and analysis of online social networks
Proceedings of the 7th ACM SIGCOMM conference on Internet measurement
Accessibility of Registration Mechanisms in Social Networking Sites
OCSC '09 Proceedings of the 3d International Conference on Online Communities and Social Computing: Held as Part of HCI International 2009
Link prediction of multimedia social network via unsupervised face recognition
MM '09 Proceedings of the 17th ACM international conference on Multimedia
Let Only the Right One IN: Privacy Management Scheme for Social Network
ICISS '09 Proceedings of the 5th International Conference on Information Systems Security
A privacy-preserving scheme for online social networks with efficient revocation
INFOCOM'10 Proceedings of the 29th conference on Information communications
Design and analysis of a social botnet
Computer Networks: The International Journal of Computer and Telecommunications Networking
Leveraging Social Feedback to Verify Online Identity Claims
ACM Transactions on the Web (TWEB)
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We present Lineup, a system that uses the social network graph in Facebook and auxiliary information (e.g., "tagged" user photos) to build a photo-based Web site authentication framework. Lineup's underlying mechanism leverages the concept of CAPTCHAs, programs that are designed to distinguish bots from human users. Lineup extends this functionality to help a Web site ascertain a user's identity or membership in a certain group (e.g., an interest group, invitees to a certain event) in order to infer some level of trust. Lineup works by presenting a user with photographs and asking the user to identify subjects in the photo whom a user with the appropriate identity or group membership should know. We present the design and implementation for Lineup, describe a preliminary prototype implementation, and discuss Lineup's security properties, including possible guarantees and threats.