<https://iwabuchifarm.com/archives/124/%e3%82%b8%e3%83%a3%e3%83%a06#breadcrumblist>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://iwabuchifarm.com/archives/124/%E3%82%B8%E3%83%A3%E3%83%A06>