<https://atelier-soramame.com/tag/%e3%82%a2%e3%82%af%e3%82%a8%e3%82%a2%e3%82%b7%e3%83%ab%e3%83%90%e3%83%bc/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://atelier-soramame.com/tag/%E3%82%A2%E3%82%AF%E3%82%A8%E3%82%A2%E3%82%B7%E3%83%AB%E3%83%90%E3%83%BC/>