<https://kawaguchi-hoikuen.tums.jp/author/kawguchi-staff/#author>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://kawaguchi-hoikuen.tums.jp/521/2%E6%9C%88%E3%81%93%E3%82%93%E3%81%A0%E3%81%A6/>