<https://j-lre.com/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://j-lre.com/news/amazon%E3%82%B7%E3%83%B3%E3%82%B7%E3%83%8A%E3%83%86%E3%82%A3%E3%81%A7%E5%A2%97%E4%BE%BF%E8%A8%88%E7%94%BB/>