1. Optimisation and Visual Analytics Research Group, Faculty of Computing and Informatics, Universiti Malaysia Sabah Labuan International Campus, Labuan, Malaysia
2. School of Computer Science, University of Nottingham Malaysia, Semenyih, Selangor, Malaysia
3. Faculty of Information Science and Technology, Universiti Kebangsaan Malaysia (UKM), Bangi, Selangor, Malaysia
4. Department of Computer Science and Information Technology, La Trobe University, Melbourne, VIC, Australia