<https://www.fukudaseikotsuin.com/post/\u7B11\u3046\u3063\u3066\u5927\u4E8B\uFF01>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.fukudaseikotsuin.com/post/%E7%AC%91%E3%81%86%E3%81%A3%E3%81%A6%E5%A4%A7%E4%BA%8B%EF%BC%81>