1. Department of Computer Science and Applications, Maharshi Dayanand University, Rohtak, India
2. School of Computer and System Sciences, Jawaharlal Nehru University, New Delhi, India
3. School of Information, University of California, Berkeley, Berkeley, CA, USA
4. Department of Electronics and Communication Engineering, SRM Institute of Science and Technology, Delhi NCR Campus, Ghaziabad, India
5. Department of Computer Science, Faculty of Computer Science and Mathematics, University of Kufa, Kufa, Iraq