Y. Sun, R. Barber, M. Gupta, C. Aggarwal, и J. Han. Proceedings of the 2011 International Conference on Advances in Social Networks Analysis and Mining, стр. 121--128. Washington, DC, USA, IEEE Computer Society, (2011)
R. Nallapati, A. Ahmed, E. Xing, и W. Cohen. Proceedings of the 14th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, стр. 542--550. New York, NY, USA, ACM, (2008)