<https://narabiyou.net/%e5%ad%90%e4%be%9b%e3%81%ae%e5%a7%bf%e5%8b%a2%e7%9f%af%e6%ad%a3/#articleImage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://narabiyou.net/%E5%AD%90%E4%BE%9B%E3%81%AE%E5%A7%BF%E5%8B%A2%E7%9F%AF%E6%AD%A3/>