<https://hirayamahideyoshi.com/#organization>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://hirayamahideyoshi.com/news/4-25%E6%9C%88%E8%B1%88%EF%BC%88%E3%82%84%E3%81%BE%E3%81%A8%EF%BC%89%E3%83%97%E3%83%AD%E3%82%B8%E3%82%A7%E3%82%AF%E3%83%88%E6%A8%AA%E6%B5%9C%E5%85%AC%E6%BC%94/>