<http://caresys.jp/caresys_manual/%e5%88%a9%e7%94%a8%e8%80%85%e7%94%bb%e9%9d%a2/%e5%9f%ba%e6%9c%ac%e6%83%85%e5%a0%b1/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://caresys.jp/caresys_manual/%E5%88%A9%E7%94%A8%E8%80%85%E7%94%BB%E9%9D%A2/%E5%9F%BA%E6%9C%AC%E6%83%85%E5%A0%B1/>