<https://cutypapers.com/%ed%95%9c%ea%b5%ad%ec%9d%80-%eb%b9%88%eb%8c%80/#primaryimage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://cutypapers.com/%ED%95%9C%EA%B5%AD%EC%9D%80-%EB%B9%88%EB%8C%80/>