<http://gyouseishoshi.tribute-mj.net/2019/07/12/%e4%bb%8a%e5%be%8c%e3%81%ae%e5%be%8c%e8%a6%8b%e4%ba%ba%e3%81%ae%e5%a0%b1%e9%85%ac%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://gyouseishoshi.tribute-mj.net/2019/07/12/%E4%BB%8A%E5%BE%8C%E3%81%AE%E5%BE%8C%E8%A6%8B%E4%BA%BA%E3%81%AE%E5%A0%B1%E9%85%AC%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6/>