Technological innovation for applied AI systems 12th IFIP WG 5.5/SOCOLNET Advanced Doctoral Conference on Computing, Electrical and Industrial Systems, DoCEIS 2021, Costa de Caparica, Portugal, July 7–9, 2021, proceedings - Camarinha-Matos, Luis M. 1955-; Ferreira, Pedro; Brito, Guilherme (Springer, 2021)