[1] Nanjing Univ, Sch Management & Engn, Dept Management Sci & Engn, Nanjing 210093, Peoples R China
[2] King Saud Univ, Comp Sci Dept, Riyadh 11437, Saudi Arabia
[3] Univ Teknol Malaysia, Fac Social Sci & Humanities, Sch Educ, Johor Baharu 81310, Malaysia
[4] Coventry Univ, Sch Media & Performing Arts, Coventry CV1 5FB, W Midlands, England