<https://www.huffingtonpost.jp/entry/story_jp_5f14fa74c5b6d14c3369098b>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.huffingtonpost.jp/entry/story_jp_5f14fa74c5b6d14c3369098b?utm_hp_ref=jp-homepage>