<https://hikilife.com/hikikomori/%e3%81%b2%e3%81%8d%e3%81%93%e3%82%82%e3%82%8a%e3%81%af%e4%bd%95%e6%95%85%e3%81%86%e3%81%be%e3%81%8f%e3%81%84%e3%81%8b%e3%81%aa%e3%81%84%e3%81%ae%e3%81%8b/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://hikilife.com/hikikomori/%E3%81%B2%E3%81%8D%E3%81%93%E3%82%82%E3%82%8A%E3%81%AF%E4%BD%95%E6%95%85%E3%81%86%E3%81%BE%E3%81%8F%E3%81%84%E3%81%8B%E3%81%AA%E3%81%84%E3%81%AE%E3%81%8B/>