<https://kotanoguchi.jp/blog/activity/2823/attachment/facetune_01-05-2019-17-26-06/#itempage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://kotanoguchi.jp/blog/activity/2823/attachment/facetune_01-05-2019-17-26-06/>