<https://sisinmaru.com/2022/01/06/%e5%a4%9c%e3%81%ae%e5%af%9b%e3%81%8e%e6%99%82%e9%96%93%e3%81%aa%e3%81%ad%e3%81%93%e3%80%82-cats-relaxing-time-at-night-%ef%bc%88%e5%8b%95%e7%94%bb%ef%bc%89/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://sisinmaru.com/2022/01/06/%E5%A4%9C%E3%81%AE%E5%AF%9B%E3%81%8E%E6%99%82%E9%96%93%E3%81%AA%E3%81%AD%E3%81%93%E3%80%82-cats-relaxing-time-at-night-%EF%BC%88%E5%8B%95%E7%94%BB%EF%BC%89/>