<https://www.amanojak.com/charuko/archives/tag/%e3%83%99%e3%83%93%e3%83%bc%e3%82%ab%e3%82%b9%e3%83%86%e3%83%a9#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.amanojak.com/charuko/archives/tag/%E3%83%99%E3%83%93%E3%83%BC%E3%82%AB%E3%82%B9%E3%83%86%E3%83%A9>