<https://www.swissinfo.ch>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.swissinfo.ch/jpn/%E9%80%A3%E9%82%A6%E8%A3%81%E5%88%A4%E6%89%80-%E3%83%A6%E3%83%80%E3%83%A4%E4%BA%BA%E3%81%AE%E8%B3%A0%E5%84%9F%E9%87%91%E8%A6%81%E6%B1%82%E3%81%AB%E4%BB%8A%E6%97%A5%E5%88%A4%E6%B1%BA/1406704>