1. Department of Information Systems, King Abdulaziz University, Jeddah 215089, Saudi Arabia
2. School of Electrical and Data Engineering, Faculty of Engineering and Information Technology, University of Technology Sydney, Sydney 2007, Australia
3. Department of Information Science, College of Computer and Information Systems, Umm Al-Qura University, Makkah, Saudi Arabia
4. Department of Information Systems, Faculty of Computing and Information Technology, King Abdulaziz University, Rabigh, Saudi Arabia