<https://www.koto-dance-studio.com/post/\u30B3\u30F3\u30C6\u30DD\u30E9\u30EA\u30FC\u3092\u9451\u8CDE\u3057\u3066\u304D\u307E\u3057\u305F>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.koto-dance-studio.com/post/%E3%82%B3%E3%83%B3%E3%83%86%E3%83%9D%E3%83%A9%E3%83%AA%E3%83%BC%E3%82%92%E9%91%91%E8%B3%9E%E3%81%97%E3%81%A6%E3%81%8D%E3%81%BE%E3%81%97%E3%81%9F>