_:n4788f8c55309451f8c4556aaca00baa3xb2
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://kamupug.hatenablog.com/entry/2021/08/20/%E4%B8%8D%E6%80%9D%E8%AD%B0%E3%81%AA%E7%99%BD%E3%81%84%E7%94%9F%E3%81%8D%E7%89%A9>