D. Shahaf, J. Yang, C. Suen, J. Jacobs, H. Wang, and J. Leskovec. Proceedings of the 19th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, page 1097--1105. New York, NY, USA, ACM, (2013)
R. Jäschke, and S. Rudolph. Contributions to the 11th International Conference on Formal Concept Analysis, page 19--34. Technische Universität Dresden, (May 2013)
E. Ferrara, O. Varol, F. Menczer, and A. Flammini. Proceedings of the first ACM Conference on Online Social Networks, page 213--222. New York, NY, USA, ACM, (2013)