<https://tenderloins-blog.com/blog/2015/05/14/t-t-tee-w-z/attachment/20150512145757441/#breadcrumblist>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://tenderloins-blog.com/blog/2015/05/14/t-t-tee-w-z/attachment/20150512145757441/>