<https://paper.hket.com/article/3018495/\u6587\u5316\u535A\u7269\u9928\u5168\u65B0\u5E38\u8A2D\u5C55\u89BD%20\u6F6E\u770B60\u5E74\u4EE3\u9999\u6E2F\u6D41\u884C\u6587\u5316>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://paper.hket.com/article/3018495/?lcc=aw>