<https://secure.gravatar.com/avatar/a18f5a4f5cb86e18caf362c2a06fd082?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://theentirehouse.com/summary-of-the-requirements-for-loft-conversions/>