Computational Intelligence in Information Systems Proceedings of the Computational Intelligence in Information Systems Conference (CIIS 2018) - Omar, Saiful; Omar, Saiful; Haji Suhaili, Wida Susanty; Haji Suhaili, Wida Susanty; Phon-Amnuaisuk, Somnuk; Phon-Amnuaisuk, Somnuk (Springer International Publishing : Imprint: Springer, 2019)