[1] Wawasan Open Univ, Sch Sci & Technol, George Town, Malaysia
[2] UCSI Univ, Fac Engn Technol & Built Environm, Kuala Lumpur, Malaysia
[3] Deakin Univ, Inst Intelligent Syst Res & Innovat, Geelong, Vic, Australia
[4] Univ Sci Malaysia, Sch Management, George Town, Malaysia
[5] Univ Malaya, Fac Comp Sci & Informat Technol, Dept Artificial Intelligence, Kuala Lumpur, Malaysia
[6] Northumbria Univ, Dept Comp Sci & Digital Technol, Fac Engn & Environm, Newcastle Upon Tyne, Tyne & Wear, England