<https://www.3rdpl.co.kr/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.3rdpl.co.kr/2013-%EB%B9%84%EC%95%84%ED%94%84%EB%A6%B0%EC%A7%80%ED%8E%98%EC%8A%A4%ED%8B%B0%EB%B2%8C-viaf2-%EB%AC%B8%EB%9E%98%EC%98%88%EC%88%A0%EC%B0%BD%EC%9E%91%EC%B4%8C-2013-11-09-10/>