<https://www.spatialsource.com.au/bim-for-transportation-seminar-featuring-crossrail/bentley-bim-seminar/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.spatialsource.com.au/bim-for-transportation-seminar-featuring-crossrail/bentley-bim-seminar/>