<https://hotsale.pixnet.net/blog/post/29681624-%e5%87%a1%e8%92%82%e5%a6%ae%e5%af%a2%e5%85%b7%26%e6%8b%8d%e6%89%8b%e7%ab%a5%e8%a3%9d%e7%89%b9%e8%b3%a3-%28%e9%ab%98%e9%9b%842012.3.14%e6%ad%a2%29>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://hotsale.pixnet.net/blog/post/29681624-%E5%87%A1%E8%92%82%E5%A6%AE%E5%AF%A2%E5%85%B7%26%E6%8B%8D%E6%89%8B%E7%AB%A5%E8%A3%9D%E7%89%B9%E8%B3%A3-%28%E9%AB%98%E9%9B%842012.3.14%E6%AD%A2%29>