<https://kubota-ryuji.com/#website>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://kubota-ryuji.com/%E4%BB%A4%E5%92%8C%EF%BC%93%E5%B9%B4%E4%B8%89%E6%B2%A2%E5%B8%82%E8%AD%B0%E4%BC%9A%E7%AC%AC%EF%BC%91%E5%9B%9E%E5%AE%9A%E4%BE%8B%E4%BC%9A%E6%9C%80%E7%B5%82%E6%97%A5%E3%81%AB%E5%87%BA%E5%B8%AD%E3%81%97/>