<https://beautygirl.co.kr/blog/2022/11/26/%eb%82%98-%ec%98%a4%eb%8a%98%eb%b6%80%ed%84%b0-%ed%9a%8c%ec%82%ac-%eb%8c%80%ed%91%9c%eb%90%a8/#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://zzalforyou.com/blog/2022/11/26/%EB%82%98-%EC%98%A4%EB%8A%98%EB%B6%80%ED%84%B0-%ED%9A%8C%EC%82%AC-%EB%8C%80%ED%91%9C%EB%90%A8/>