<https://ettsolutions.com/paper/use-of-oculus-rift-for-an-immersive-time-shift-experience-in-the-medieval-ages/#schema-nav-element-1807>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://ettsolutions.com/paper/use-of-oculus-rift-for-an-immersive-time-shift-experience-in-the-medieval-ages/>