<https://www.oist.jp/news-center/news/2021/5/26/oist.jp>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.oist.jp/news-center/news/2021/5/26/unique-ceremony-celebrates-oist%E2%80%99s-newest-graduates>