<https://3nin.info/2020/12/02/post-2791/%e6%bc%82%e7%99%bd%e5%89%a41/#breadcrumblist>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://3nin.info/2020/12/02/post-2791/%E6%BC%82%E7%99%BD%E5%89%A41/>