<https://iti-inc.co.jp/sub-choice/#website>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://iti-inc.co.jp/sub-choice/tag/%E3%83%87%E3%82%B8%E3%83%A2%E3%83%B3%E3%82%A2%E3%83%89%E3%83%99%E3%83%B3%E3%83%81%E3%83%A3%E3%83%BC02/>