L. Wang, Y. Wu, X. Zhuang, and F. Soong. Proceedings of the 2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), page 4580-4583. Prague, Czech Republic, (May 2011)
A. Chaabani, M. Bellamine, and M. Gasmi. International Journal on Soft Computing, Artificial Intelligence and Applications (IJSCAI), 3 (4):
17(November 2014)
F. Figueiredo, B. Ribeiro, J. Almeida, and C. Faloutsos. International Conference on World Wide Web, page 695--706. Republic and Canton of Geneva, Switzerland, International World Wide Web Conferences Steering Committee, (2016)