“THEORY , RESEARCH AND INNOVATION IN APPLICATIONS” 9 th International Conference on Intelligent Systems 2018 (IS’18) Conference Proceedings Editors Ricardo Jardim-Gonçalves UNINOVA, Portugal João Pedro Mendonça Universidade do Minho, Portugal Vladimir Jotsov SULSIT, Bulgaria Maria Marques UNINOVA, Portugal João Martins FCT/UNL, Portugal Robert Bierwolf IEEE TEMS, USA Organizers: