<https://td3win.com/#organization>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://td3win.com/2016/01/15/%E8%A7%92%E5%BA%A6%E3%82%92%E5%A4%89%E3%81%88%E3%81%A6%E8%80%83%E3%81%88%E3%81%A6%E3%81%BF%E3%82%8B-part-1/>