[Kutia, Svitlana; Yong, Wang] Beijing Technol & Business Univ, Sch Business, Beijing 100048, Peoples R China.
[Chauhdary, Sajjad Hussain] Univ Jeddah, Fac Comp & Informat Technol, Jeddah 21577, Saudi Arabia.
[Iwendi, Celestine] Cent South Univ Forestry & Technol, Bangor Coll China, Dept Elect, Changsha 410004, Hunan, Peoples R China.
[Liu, Lin] Tsinghua Univ, Sch Software, Beijing 100084, Peoples R China.
[Bashir, Ali Kashif] Manchester Metropolitan Univ, Dept Comp & Math, Manchester M15 6BH, Lancs, England.