_:n44f9ff289a164aba8b59aeb3ee7c19faxb1
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://ja.m.wikipedia.org/wiki/%E3%82%A8%E3%82%A2%E3%83%90%E3%82%B9%E3%83%BB%E3%82%B0%E3%83%AB%E3%83%BC%E3%83%97>