_:n067cf9fc0fc340f381fd67b964577259xb4
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.hackers.ac/contents/?m=bbs&bid=cur_afterclass&cat=%C5%E4%BD%BA%26%BF%C0%C7%C8&p=2&uid=354600&sel_tc=>