<https://doroom.xyz/2019/06/25/%e3%83%86%e3%83%8b%e3%82%b9%e3%82%b3%e3%83%bc%e3%83%81%e3%81%ab%e3%81%aa%e3%82%8b%e6%96%b9%e6%b3%95/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/WebPage>
<https://doroom.xyz/2019/06/25/%E3%83%86%E3%83%8B%E3%82%B9%E3%82%B3%E3%83%BC%E3%83%81%E3%81%AB%E3%81%AA%E3%82%8B%E6%96%B9%E6%B3%95/>