<http://once-and-only.com/early-retirement/diary/%e4%b8%8d%e5%8b%95%e7%94%a3%e5%b1%8b%e3%81%b8%e3%81%ae%e3%82%af%e3%83%ac%e3%83%bc%e3%83%a0%e3%81%a8%e3%82%b4%e3%82%bf%e3%82%b4%e3%82%bf%e3%80%82/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://once-and-only.com/early-retirement/diary/%E4%B8%8D%E5%8B%95%E7%94%A3%E5%B1%8B%E3%81%B8%E3%81%AE%E3%82%AF%E3%83%AC%E3%83%BC%E3%83%A0%E3%81%A8%E3%82%B4%E3%82%BF%E3%82%B4%E3%82%BF%E3%80%82/>