<https://www.aajst.org/post/aajst-meeting-of-21-3-2021-reunion-aajst-du-21-3-2021>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.aajst.org/post/aajst-meeting-of-21-3-2021-reunion-aajst-du-21-3-2021>