PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Content (educational content) refers to media content or data such as text, graphics, images and multi-media objects such as sound recordings and moving video clips, as well as executable content such as software code.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com