<https://girlswalker.com/archives/226067/2019-9-22%E8%82%89%E9%A3%9F%E7%B3%BB%E5%A5%B3%E5%AD%901/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://girlswalker.com/archives/226067/2019-9-22%E8%82%89%E9%A3%9F%E7%B3%BB%E5%A5%B3%E5%AD%901/>