<https://deai-tips.me/#organization>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://deai-tips.me/2017/02/03/%E7%A5%9E%E7%94%B0%E3%81%A7%E3%83%8A%E3%83%B3%E3%83%91%E3%81%97%E3%81%A6%E5%87%BA%E4%BC%9A%E3%81%86%EF%BC%81%E3%82%AA%E3%82%B9%E3%82%B9%E3%83%A1%E3%82%B9%E3%83%9D%E3%83%83%E3%83%885%E9%81%B8/>