<https://claver-resell.com/%e9%96%a2%e8%a5%bf/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://claver-resell.com/%E9%96%A2%E8%A5%BF/%E5%85%B5%E5%BA%AB%E7%9C%8C%E3%82%AF%E3%83%A9%E3%83%BC%E3%83%AB%E3%83%8F%E3%82%A4%E3%83%88%E3%81%9F%E3%81%A4%E3%81%AE%E7%AC%AC%EF%BC%91%E7%99%BA%E9%9B%BB%E6%89%80/>