<https://www.themeninblack.co.uk:443/forums/viewtopic.php?f=5&amp;t=14645&amp;p=267446>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://www.themeninblack.co.uk/forums/viewtopic.php?f=5&t=14645&p=267446>