<http://blog.xuite.net/ct0118b/twblog/586023162>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://blog.xuite.net/ct0118b/twblog/586023162-%E5%BE%8C%E5%8D%8A%E7%94%9F%EF%BC%8C%E4%BD%A0%E8%B6%8A%E6%B4%BB%E8%B6%8A%E5%A5%BD%E7%9A%847%E5%80%8B%E8%B7%A1%E8%B1%A1%E3%80%82%E2%9C%BF%E2%9C%BF%E2%8A%B1%E2%95%AE>