<https://salty-japan.net/#organization>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://salty-japan.net/2020/02/13/%E3%82%A4%E3%82%A8%E3%82%BA%E3%82%B9%E4%BC%9A%E3%81%A8%E8%8C%B6%E9%81%93-%E2%88%92%E4%B9%85%E4%BF%9D%E7%94%B0%E5%85%B8%E5%BD%A6%E2%88%92/>