<http://okinawa-houtouki.com/%e9%a3%b2%e9%a3%9f%e5%ba%97%e7%b4%b9%e4%bb%8b/post-13873/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://okinawa-houtouki.com/%E9%A3%B2%E9%A3%9F%E5%BA%97%E7%B4%B9%E4%BB%8B/post-13873/>