1. National Engineering Laboratory for Big Data System Computing Technology, Shenzhen University, China
2. Department of Computer Science and Software Engineering, Jaramogi Oginga Odinga University of Science and Technology, Bondo, Kenya
3. Department of Computer Science, College of Education for Pure Sciences, University of Basrah, Basrah, Iraq
4. College of Big Data and Internet, Shenzhen Technology University, Shenzhen, China