J. Cheng, L. Adamic, J. Kleinberg, and J. Leskovec. Proceedings of the 25th International Conference on World Wide Web, page 671--681. New York, New York, USA, ACM Press, (Feb 2, 2016)
J. Cheng, L. Adamic, P. Dow, J. Kleinberg, and J. Leskovec. Proceedings of the 23rd International Conference on World Wide Web, page 925--936. Republic and Canton of Geneva, Switzerland, International World Wide Web Conferences Steering Committee, (2014)