<https://sogo-e.jp/author/sogoenzai/#author>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://sogo-e.jp/items/dg%E9%98%B2%E8%8D%89%E3%82%B7%E3%83%BC%E3%83%88/attachment/dg%E9%98%B2%E8%8D%89%EF%BD%BC%EF%BD%B0%EF%BE%84/>