PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Though of course, as it scales it will also be able to attract better teachers, giving it a leg up over YouTube and other video platforms.
http://www.w3.org/ns/prov#wasQuotedFrom
  • techcrunch.com