<http://saiplatformconference.org/zh/cn/#organization>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://saiplatformconference.org/zh/cn/%E5%8F%91%E7%8E%B0%E4%B8%AD%E5%9B%BD/%E6%9C%80%E6%96%B0%E6%B6%88%E6%81%AF/>