<https://www.eeunion.org.hk/index.php/2014-04-22-03-53-11/2014-04-24-04-24-25/item/27-1>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.eeunion.org.hk/index.php/2014-04-22-03-53-11/2014-04-24-04-24-25/item/27-1>