Intelligent Systems Design and Applications 21st International Conference on Intelligent Systems Design and Applications (ISDA 2021) Held During December 13–15, 2021 - Abraham, Ajith; Gandhi, Niketa; Hanne, Thomas; Hong, Tzung-Pei; Nogueira Rios, Tatiane; Ding, Weiping (Lecture Notes in Networks and Systems, 2022)