_:nc9abd772aa1c4dcfb5386811083606c6xb1
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://benrishikoza.com/blog/%E5%BC%81%E7%90%86%E5%A3%AB%E8%A9%A6%E9%A8%93-%E8%AB%96%E6%96%87%E8%A9%A6%E9%A8%93%E3%81%AE%E6%9D%A1%E6%96%87%E6%9A%97%E8%A8%98/>