<https://blog.nuricloud.com/tag/%ed%81%b4%eb%9d%bc%ec%9a%b0%eb%93%9ccloud/#breadcrumblist>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://blog.nuricloud.com/tag/%ED%81%B4%EB%9D%BC%EC%9A%B0%EB%93%9Ccloud/>