<https://blog.ulifestyle.com.hk/article/fishfish85/3172703/2017-10-19-tst-\u96C5\u60A0\u852C\u98DF>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://blog.ulifestyle.com.hk/article/fishfish85/3172703/2017-10-19-tst-%E9%9B%85%E6%82%A0%E8%94%AC%E9%A3%9F>