<https://paper.hket.com/article/3067335/\u5805\u5C3C\u5730\u57CE\u7FE0\u8377\u82D1%20\u53EB\u50F9-590\u842C>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://paper.hket.com/article/3067335/%E5%A0%85%E5%B0%BC%E5%9C%B0%E5%9F%8E%E7%BF%A0%E8%8D%B7%E8%8B%91%20%E5%8F%AB%E5%83%B9-590%E8%90%AC?mtc=40001&srkw=>