<https://www.ifanr.com/tags/%E5%BA%94%E7%94%A8%E7%A8%8B%E5%BA%8F%E5%95%86%E5%BA%97>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.ifanr.com/tags/%E5%BA%94%E7%94%A8%E7%A8%8B%E5%BA%8F%E5%95%86%E5%BA%97>