<https://beautiful-sound.net/blog/395/attachment/d98f317d-e682-4fee-88b3-822e298ef5ca/#breadcrumblist>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://beautiful-sound.net/blog/395/attachment/d98f317d-e682-4fee-88b3-822e298ef5ca/>