<https://moot.us/lounges/408/boards/1959/posts/5414756/notas-de-actualizaci-n-24-de-agosto-de-2021>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://moot.us/lounges/408/boards/1959/posts/5414756/notas-de-actualizaci-n-24-de-agosto-de-2021>