<https://www.awanakorea-plus.net/post/\uD749\uB0B4-\uB9DE\uCD94\uAE30>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.awanakorea-plus.net/post/%ED%9D%89%EB%82%B4-%EB%A7%9E%EC%B6%94%EA%B8%B0>