<http://img.4bai.cn/?explorer/share/file&amp;hash=e3d6Q1hhSScHuU72Zsp6X0N-7EPjjcSu2rH0yG9uokH7hDRJsKagiRyyELWUf_g3Kl7j>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://990011.cn/archives/1718>