_:n13b09824fb884e129dc62f935938a262xb4
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://tsukuba-daigaku.com/blog/%E3%82%BB%E3%83%AC%E3%82%AF%E3%83%88%E2%85%A3%E3%81%AE%E3%81%8A%E9%83%A8%E5%B1%8B%E5%8F%A3%E3%82%B3%E3%83%9F-%E7%A4%BE%E5%B7%A5>