<https://forum.avespt.com/viewtopic.php?f=84&amp;t=966128d87577a92c1012753c7d189add99a4&amp;start=15>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://forum.avespt.com/viewtopic.php?f=84&t=9661&sid=28d87577a92c1012753c7d189add99a4&start=15>