<https://wp.kobore.net/%e6%b1%9f%e7%ab%af%e3%81%95%e3%82%93%e3%81%ae%e5%bf%98%e5%82%99%e9%8c%b2/post-1333/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://wp.kobore.net/%E6%B1%9F%E7%AB%AF%E3%81%95%E3%82%93%E3%81%AE%E5%BF%98%E5%82%99%E9%8C%B2/post-1333/>