<https://conference.iftcc.org/v/261>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://conference.iftcc.org/v/261?channelName=Admin_5f8efafbe14ab&yptDeviceID=1942c7d4-0674-41f4-96b4-b25a6c5fcbfb>