<https://operational-ai-ethics.telecom-paris.fr/2020/04/16/eu-tracing-apps-privacy-safeguards/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://operational-ai-ethics.telecom-paris.fr/2020/04/16/eu-tracing-apps-privacy-safeguards/>