<https://www.lifelab-koganei.com/post/\u306F\u3058\u3081\u306E\u4E00\u6B69>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.lifelab-koganei.com/post/%E3%81%AF%E3%81%98%E3%82%81%E3%81%AE%E4%B8%80%E6%AD%A9>