<https://www.izawasho.com/diary/%e6%8e%88%e6%a5%ad%e5%8f%82%e8%a6%b3/#breadcrumblist>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.izawasho.com/diary/%E6%8E%88%E6%A5%AD%E5%8F%82%E8%A6%B3/>