<https://hdweb.kr/#organization>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://hdweb.kr/%EC%A3%BC%EC%9C%A0%ED%95%A0%EC%9D%B8-%EC%B2%B4%ED%81%AC%EC%B9%B4%EB%93%9C-%ED%95%A0%EC%9D%B8%ED%8C%81/>