<https://slibuddies.net/pages/%E9%A6%99%E6%BB%91%E9%9B%AA%E9%AD%9A%E8%86%A0%E6%A5%8A%E6%94%AF%E7%94%98%E9%9C%B2>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://slibuddies.net/pages/%E9%A6%99%E6%BB%91%E9%9B%AA%E9%AD%9A%E8%86%A0%E6%A5%8A%E6%94%AF%E7%94%98%E9%9C%B2>