X. Wang, L. Tokarchuk, F. Cuadrado, and S. Poslad. Proceedings of the 2013 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining, page 311--315. New York, NY, USA, ACM, (2013)
X. Wang, L. Tokarchuk, and S. Poslad. Advances in Social Networks Analysis and Mining (ASONAM), 2014 IEEE/ACM International Conference on, page 395-398. (August 2014)