<https://forum.homeone.com.au/viewtopic.php?f=1&t=101814>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://forum.homeone.com.au/viewtopic.php?f=1&t=101814&sid=054136f505f47a844da1f20c13513802>