<https://blog.irontec.com/action-url-y-action-uri-porque-la-potencia-sin-control-no-sirve-nada/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://blog.irontec.com/action-url-y-action-uri-porque-la-potencia-sin-control-no-sirve-nada/>