<https://sunnyvale.ctzen.org/zh/wiki/%e9%9b%9c%e9%98%bf%e5%90%ab%e7%b6%93/#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://sunnyvale.ctzen.org/zh/wiki/%E9%9B%9C%E9%98%BF%E5%90%AB%E7%B6%93/>