<https://ryowa-auto.com/#organization>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://ryowa-auto.com/topics/%E6%84%9F%E8%AC%9D%E7%A5%AD%E4%BB%8A%E5%B9%B4%E3%82%82%E3%82%84%E3%82%8A%E3%81%BE%E3%81%99%E2%99%AA/>