<https://nasukankou.com/tag/%E9%82%A3%E9%A0%88%E3%82%A2%E3%82%A6%E3%83%88%E3%83%AC%E3%83%83%E3%83%88%E3%82%BF%E3%82%AB%E3%82%AD%E3%83%A5%E3%83%BC/#collectionpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://nasukankou.com/tag/%E9%82%A3%E9%A0%88%E3%82%A2%E3%82%A6%E3%83%88%E3%83%AC%E3%83%83%E3%83%88%E3%82%BF%E3%82%AB%E3%82%AD%E3%83%A5%E3%83%BC/>