1. Department of Computer Science and Engineering, Alipurduar Government Engineering and Management College, Alipurduar, West Bengal, India
2. Department of Computer Science and Engineering, Jalpaiguri Government Engineering College, Jalpaiguri, West Bengal, India
3. Department of Geography, Simon Fraser University, Burnaby, Canada
4. Departamento de Tecnología de Computadores y Comunicaciones, Escuela Politécnica, Universidad de Extremadura, Cáceres, Spain
5. Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Helmholtz Institute Freiberg for Resource Technology, Freiberg, Germany