H. Kwak, C. Lee, H. Park, und S. Moon. Proceedings of the 19th international conference on World wide web, Seite 591--600. New York, NY, USA, ACM, (2010)
J. Cheng, L. Adamic, P. Dow, J. Kleinberg, und J. Leskovec. Proceedings of the 23rd International Conference on World Wide Web, Seite 925--936. Republic and Canton of Geneva, Switzerland, International World Wide Web Conferences Steering Committee, (2014)
B. Ribeiro. Proceedings of the 23rd International Conference on World Wide Web, Seite 653--664. Republic and Canton of Geneva, Switzerland, International World Wide Web Conferences Steering Committee, (2014)