<https://jimotokaitai.com/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://jimotokaitai.com/blog/%E8%A7%A3%E4%BD%93%E5%B7%A5%E4%BA%8B%E3%80%80%E5%BA%AD%E5%89%AA%E5%AE%9A%E8%A6%8B%E7%A9%8D%E3%82%8A%EF%BC%9A%E5%90%8D%E5%8F%A4%E5%B1%8B%E5%B8%82%E5%8D%97%E5%8C%BA/>