The main European initiatives for sharing data and other research results in support of the scientific community. ELIXIR (Covid-19 data portal), OpenAIRE, RDA. Second edition

Presentation given during the second edition of the webinar "Covid-19 e condivisione dei dati: perché in Italia si fa troppo poco?" belonging to the event series "Open Science e Covid-19. Collaborare per contrastare la pandemia", on November 16th 2020. Presentation outline: Introduction Rationale ICDI, ELIXIR, OpenAIRE, RDA ELIXIR support to COVID-19 research European Covid-19 data portal EOSC Programm