<https://k-worker.com/#website>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://k-worker.com/%E6%92%AE%E5%BD%B1%E3%81%8B%E3%82%89%E3%81%8A%E6%B8%A1%E3%81%97%E3%81%BE%E3%81%A7%E3%81%AE%E6%B5%81%E3%82%8C/>