<https://twhrmgr.pixnet.net/blog/post/335882985-%26%23128161%3b%e8%81%b7%e5%a0%b4%e7%b6%93%e9%a9%97%e8%ab%87%e2%94%82%e6%a8%99%e7%b1%a4>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://twhrmgr.pixnet.net/blog/post/335882985-%26%23128161%3B%E8%81%B7%E5%A0%B4%E7%B6%93%E9%A9%97%E8%AB%87%E2%94%82%E6%A8%99%E7%B1%A4>