<https://huit.tenderwisdom.info/trainingroom/%e7%9e%91%e6%83%b3%e4%bc%9a%e3%81%ae%e3%81%8a%e7%9f%a5%e3%82%89%e3%81%9b%e3%81%a7%e3%81%99%ef%bc%be%ef%bc%be/2021/10/26/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://huit.tenderwisdom.info/trainingroom/%E7%9E%91%E6%83%B3%E4%BC%9A%E3%81%AE%E3%81%8A%E7%9F%A5%E3%82%89%E3%81%9B%E3%81%A7%E3%81%99%EF%BC%BE%EF%BC%BE/2021/10/26/>