<https://themomstory.co.kr/%eb%85%b8%eb%a1%9c%eb%b0%94%ec%9d%b4%eb%9f%ac%ec%8a%a4/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://themomstory.co.kr/%EB%85%B8%EB%A1%9C%EB%B0%94%EC%9D%B4%EB%9F%AC%EC%8A%A4/>