<https://tajiri-anzuya.com>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://tajiri-anzuya.com/blogs/%E3%83%8B%E3%83%A5%E3%83%BC%E3%82%B9/%E3%82%A2%E3%83%97%E3%83%AA%E3%82%B3%E3%83%83%E3%83%88%E3%82%B8%E3%83%A3%E3%83%A0%E8%B2%A9%E5%A3%B2%E9%96%8B%E5%A7%8B%E3%81%97%E3%81%BE%E3%81%99>