This work was supported in part by the Project FLOWANCE, Co-Financed by the European Regional Development Fund (FEDER), through Portugal 2020 (PT2020) under Grant POCI-01-0247-FEDER-047022; in part by the Competitiveness and Internationalization Operational Program (COMPETE 2020), Project POWER, Co-Financed by the European Regional Development Fund (FEDER), through Portugal 2020 (PT2020) under Grant POCI-01-0247-FEDER-070365; in part by the Portuguese Recovery and Resilience Plan (PRR) through project C645008882-00000055, Center for Responsible AI; in part by the Competitiveness and Internationalization Operational Program (COMPETE 2020); in part by the National funds through Foundation for Science and Technology (FCT), within the Scope of the Project Centre for Informatics and Systems of the University of Coimbra (CISUC) under Grant UID/CEC/00326/2020; and in part by the European Social Fund, through the Regional Operational Program Centro 2020.