Syulistyo, A.R., Faculty of Computer Science Universitas Indonesia, Depok, 16424, Indonesia; Wisesa, H.A., Faculty of Computer Science Universitas Indonesia, Depok, 16424, Indonesia; Aprinaldi, Faculty of Computer Science Universitas Indonesia, Depok, 16424, Indonesia; Bowolaksono, A., Faculty of Mathematic and Natural Science Universitas Indonesia16424, Indonesia; Wiweko, B., Faculty of Medicine Universitas Indonesia16424, Indonesia; Jatmiko, W., Faculty of Computer Science Universitas Indonesia, Depok, 16424, Indonesia