[1] Faculty of Computer Science and Information Technology, University of Malaya, Kuala Lumpur
[2] Department of Actuarial and Applied Statistics, Faculty of Business & Information Science, USCI University, Kuala Lumpur
[3] Centre for Research Services, Institute of Research Management and Monitoring (IPPP), University of Malaya (UM), Kuala Lumpur
[4] Department for Management of Science and Technology Development, Ton Duc Thang University, Ho Chi Minh City
[5] Faculty of Information Technology, Ton Duc Thang University, Ho Chi Minh City