Z. Fazekas, G. Balázs, L. Gerencsér, and P. Gáspár. INTSYS, volume 222 of Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, page 252-262. Springer, (2017)
H. Kato, S. Fazekas, M. Takaya, and A. Yamamura. ICT-EurAsia/CONFENIS, volume 9357 of Lecture Notes in Computer Science, page 139-148. Springer, (2015)