<https://maeda.run/#/schema/person/3f8ddc41f200033a09c90fe55ef8131b>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://maeda.run/2020/04/05/%E6%85%A2%E6%80%A7%E7%9A%84%E3%81%AA%E9%A0%AD%E7%97%9B/>