<https://kiwami.forexdog.net/2021/10/28/%e7%92%b0%e5%a2%83%e8%aa%8d%e8%ad%98/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://kiwami.forexdog.net/2021/10/28/%E7%92%B0%E5%A2%83%E8%AA%8D%E8%AD%98/>