<https://tigpig.com/#organization>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/Organization>
<https://tigpig.com/archives/category/%E3%83%90%E3%83%8A%E3%83%BC%E5%BA%83%E5%91%8A%E3%81%AB%E4%BD%BF%E3%81%88%E3%82%8B%E7%B4%A0%E6%9D%90>