21St International Conference on Computational Science and Its Applications (Iccsa), Date: SEP 13-16, 2021, Location: Cagliari, ITALY, Sponsors: IEEE Italy Sect,IEEE Geoscience & Remote Sensing Soc,IEEE Comp Soc,Studium Gen Civitatis Perusii,Univ Stvdiorvm Caralitana,Univ Degli Studi Bascilicata,Monash Univ,Kyushu Sangyo Univ,Univ Minho, Escola Engn,Springer,MDPI Computers,Assoc Sci Infrastrutture Trasporto,Regione Autonoma Sardigna