<http://toolcommune.com/archives/author/writer#author>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://toolcommune.com/archives/2009/05/%E3%81%93%E3%81%935%E6%97%A5%E7%A8%8B%E3%81%AE%E3%83%8B%E3%83%A5%E3%83%BC%E3%82%B9.html>