1. Department of Artificial Intelligence, Islamia University of Bahawalpur, Bahawalpur, Pakistan
2. Department of Computer Science and Information Technology, Islamia University of Bahawalpur, Bahawalpur, Pakistan
3. Department of Information and Communication Engineering, Yeungnam University, Gyeongsan, South Korea
4. Department of Informatics, University of Valladolid, Valladolid, Spain