<https://forester-fan-blog.com/tag/%e3%83%a9%e3%82%b0%e3%83%93%e3%83%bc%e3%83%af%e3%83%bc%e3%83%ab%e3%83%89%e3%82%ab%e3%83%83%e3%83%972015%e3%83%99%e3%82%b9%e3%83%88%e3%82%bf%e3%83%83%e3%82%af%e3%83%ab/#listItem>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://forester-fan-blog.com/tag/%E3%83%A9%E3%82%B0%E3%83%93%E3%83%BC%E3%83%AF%E3%83%BC%E3%83%AB%E3%83%89%E3%82%AB%E3%83%83%E3%83%972015%E3%83%99%E3%82%B9%E3%83%88%E3%82%BF%E3%83%83%E3%82%AF%E3%83%AB/>