<https://hosei-jinkan-club.jp/author/hosei-jinkan-niimura/#author>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://hosei-jinkan-club.jp/report-20181027-urayasu/%EF%BC%99%E9%83%B7%E5%9C%9F%E8%B3%87%E6%96%99%E9%A4%A8/>