<https://nb.aotter.net/publisher?q=5ef2a2eef6514c76112a9a40&publisher=\u81FA\u5317\u5E02\u7ACB\u5716\u66F8\u9928>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://nb.aotter.net/post/60dd3dbcf8681f340d40c1cb>