Mathematics and Computers in Science and Industry : 2014 International Conference on Mathematics and Computers in Sciences and Industry (MCSI 2014). Varna, Bulgaria, September 13-15, 2014 - Mladenov, Valeri; Rudas, Imre; Reljin, Branimir; Tsenov, Georgi; Dondon, Philippe; Bulucea, Aida; Mastorakis, Nikos; Martin, Olga; Vachtsevanos, George; Psarris, Kleanthis (IEEE Computer Society, 2014)