1. Department of Computer Science, Information Technology University, Lahore, Pakistan
2. Research Group in Computational Linguistics, Research Institute of Information and Language Processing, University of Wolverhampton, Wolverhampton, UK
3. Faculty of Computing and Information Technology, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia
4. Department of Operations, Technology, Events and Hospitality Management, Manchester Metropolitan University, Manchester, UK
5. Big Data Analytics, School of Computing and Digital Technology, Birmingham City University, Birmingham, UK
6. Department of Computing and Mathematics, Management, Manchester Metropolitan University, Manchester, UK