<https://www.swissinfo.ch>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.swissinfo.ch/jpn/%EF%BC%91%EF%BC%90%E6%9C%88%E3%81%AE%E7%89%A9%E4%BE%A1-%E3%82%A4%E3%83%B3%E3%83%95%E3%83%AC%E4%B8%8B%E9%99%8D/1731732>