1. Department of Computer Science and Engineering, Kalyani Government Engineering College, Kalyani 741235, India
2. Department of Computer Science and Engineering, University of Kalyani, Kalyani 741235, India
3. Department of Computer Science, University of South Bohemia, 370 05 Ceske Budejovice, Czech Republic
4. Department of Computer Science, Riyadh Community College, King Saud University, Riyadh 11495, Saudi Arabia
5. School of Computing and Mathematical Sciences, University of Leicester, Leicester LE1 7RH, UK