J. Huang, Z. Zhuang, J. Li, и C. Giles. Proceedings of the 2008 International Conference on Web Search and Data Mining, стр. 107--116. New York, NY, USA, ACM, (2008)
S. Pujari, A. Hadgu, E. Lex, и R. Jäschke. Proceedings of the 15th International Conference on Knowledge Technologies and Data-driven Business, New York, NY, USA, ACM, (2015)
C. Wang, J. Han, Y. Jia, J. Tang, D. Zhang, Y. Yu, и J. Guo. Proceedings of the 16th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, стр. 203--212. New York, NY, USA, ACM, (2010)