<https://www.chinese-forums.com/forums/topic/7825-%E4%B8%BB%E7%BE%A9-ideology-ism-and-%E4%B8%BB%E6%84%8F-idea/page/2/#comment-61137>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.chinese-forums.com/forums/topic/7825-%E4%B8%BB%E7%BE%A9-ideology-ism-and-%E4%B8%BB%E6%84%8F-idea/page/2/>