<https://otakamu.com/archives/tag/%e5%ae%9f%e6%b3%81%e4%b8%ad%e7%b6%99#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://otakamu.com/archives/tag/%E5%AE%9F%E6%B3%81%E4%B8%AD%E7%B6%99>