Computational Intelligence in Communications and Business Analytics 4th International Conference, CICBA 2022, Silchar, India, January 7–8, 2022, Revised Selected Papers - Mukhopadhyay, Somnath; Sarkar, Sunita; Dutta, Paramartha; Mandal, Jyotsna Kumar; Roy, Sudipta (Springer International Publishing, 2022)