<https://ask-tokyo.com/11-21%e6%9c%ac%e6%97%a5%e3%81%ae%e3%82%a4%e3%83%81%e3%82%aa%e3%82%b7%e3%82%ad%e3%83%a3%e3%82%b9%e3%83%88-2/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/WebPage>
<https://ask-tokyo.com/11-21%E6%9C%AC%E6%97%A5%E3%81%AE%E3%82%A4%E3%83%81%E3%82%AA%E3%82%B7%E3%82%AD%E3%83%A3%E3%82%B9%E3%83%88-2/>