<https://rritz2020.com/2023/11/08/%e3%83%8f%e3%82%a4%e3%83%ac%e3%83%99%e3%83%ab%e8%ac%9b%e7%bf%92/#author>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://rritz2020.com/2023/11/08/%E3%83%8F%E3%82%A4%E3%83%AC%E3%83%99%E3%83%AB%E8%AC%9B%E7%BF%92/>