<https://anq39.com/2024/07/01/%e3%83%90%e3%83%83%e3%82%b8%e4%b8%b9%e6%b2%a2%e5%b1%b1/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://anq39.com/2024/07/01/%E3%83%90%E3%83%83%E3%82%B8%E4%B8%B9%E6%B2%A2%E5%B1%B1/>