<https://vtubersokuhou.com/archives/%e3%81%af%e3%81%82%e3%81%a1%e3%82%83%e3%81%be%e3%81%84%e3%81%a4%e5%b8%b0%e3%81%a3%e3%81%a6%e3%81%8f%e3%82%8b%e3%82%93%e3%81%a0.html>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://vtubersokuhou.com/archives/%E3%81%AF%E3%81%82%E3%81%A1%E3%82%83%E3%81%BE%E3%81%84%E3%81%A4%E5%B8%B0%E3%81%A3%E3%81%A6%E3%81%8F%E3%82%8B%E3%82%93%E3%81%A0.html>