<https://mticall.blog/tag/%ec%82%ac%ec%9d%b4%ed%8a%b8%ec%b6%94%ec%b2%9c/#primaryimage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://mticall.blog/tag/%EC%82%AC%EC%9D%B4%ED%8A%B8%EC%B6%94%EC%B2%9C/>