<https://secure.gravatar.com/avatar/8438d0da98e759a2415e833f2ad1b665?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.ggotflower.com/%EC%95%88%EB%A7%88%EC%9D%98%EC%9E%90-%EB%A0%8C%ED%83%88-%EC%9E%A5%EB%8B%A8%EC%A0%90/>