<https://hosomegane.com/2022/01/24/%e3%81%91%e3%82%82%e3%81%ae%e3%83%95%e3%83%ac%e3%83%b3%e3%82%ba/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://hosomegane.com/2022/01/24/%E3%81%91%E3%82%82%E3%81%AE%E3%83%95%E3%83%AC%E3%83%B3%E3%82%BA/>