_:n81a49cde1d304c80bf085a98c21827c9xb0
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.kyu-boshi.com/post/%E8%AA%AD%E5%A3%B2%E6%96%B0%E8%81%9E%E3%81%AB%E6%8E%B2%E8%BC%89%E3%81%95%E3%82%8C%E3%81%BE%E3%81%97%E3%81%9F>