<https://postingservice.co.jp/#organization>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://postingservice.co.jp/%E8%B1%8A%E7%94%B0%E5%B8%82%E6%B8%A1%E5%88%88%E7%94%BA%EF%BC%95%E4%B8%81%E7%9B%AE/>