<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/Organization>
<http://www.puritys.me/docs-blog/article-34-USB-%E6%8F%92%E6%8F%92%E6%8B%94%E6%8B%94%EF%BC%8C%E9%80%A0%E6%88%90-USB-%E7%84%A1%E6%B3%95%E8%AE%80%E5%8F%96.html>