_:nfb156d2a6c944ea19fd2ef03dd095ca4xb0
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://akishima-jichiren.jp/blog/2019/02/10/2-7%E3%80%80%E5%B8%B8%E4%BB%BB%E5%A7%94%E5%93%A1%E4%BC%9A%E9%96%8B%E5%82%AC/>