<https://signalscv.com/2020/10/dilek-sanver-wang-coc-unions-agree-on-slate/#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://signalscv.com/2020/10/dilek-sanver-wang-coc-unions-agree-on-slate/>