<http://walao-eh.com/archives/category/%e5%89%a7%e5%9c%ba%e7%94%b5%e5%bd%b1>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://walao-eh.com/archives/%E5%89%A7%E5%9C%BA%E7%94%B5%E5%BD%B1/%E5%89%A7%E5%9C%BA%E7%89%88%E3%80%8A%E9%AD%94%E6%B3%95%E5%B0%91%E5%A5%B3%E5%B0%8F%E5%9C%86-%E5%8F%9B%E9%80%86%E7%9A%84%E7%89%A9%E8%AF%AD%E3%80%8Bpv%E9%A2%84%E5%91%8A%E5%85%AC%E5%BC%80%EF%BC%81.html>