<https://thekdaily.com/article/179272/\u91D1\u9AD8\u9280-ros\u00E9-\u6A5F\u5834-\u72C2\u5954-\u53CB\u8ABC>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://thekdaily.com/article/179272/%E9%87%91%E9%AB%98%E9%8A%80-ros%C3%A9-%E6%A9%9F%E5%A0%B4-%E7%8B%82%E5%A5%94-%E5%8F%8B%E8%AA%BC>