<https://www.ramen-masao.com/%e6%ae%8b%e3%82%8a50%e4%ba%ba%e5%89%8d%e3%81%a7%e3%81%99%ef%bc%81/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.ramen-masao.com/%E6%AE%8B%E3%82%8A50%E4%BA%BA%E5%89%8D%E3%81%A7%E3%81%99%EF%BC%81/>