<https://www.kenshi-shokun.com/2006/10/9%e6%9c%8830%e6%97%a5%e3%81%ae%e7%a8%bd%e5%8f%a4%e4%bc%9a/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.kenshi-shokun.com/2006/10/9%E6%9C%8830%E6%97%A5%E3%81%AE%E7%A8%BD%E5%8F%A4%E4%BC%9A/>