<https://tottori-db.com/2018/#listItem>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/ListItem>
<https://tottori-db.com/2018/04/02/%E6%9D%B1%E9%83%A8%E4%BA%A4%E6%B5%81%E4%BC%9A%E3%81%AE%E3%81%8A%E3%81%97%E3%82%89%E3%81%9B-6/>