PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The content is an aggregation of media-based digital learning objects ??? video clips, audio clips, interactives, images, and documents ??? selected specifically because of their alignment to PreK-12 core curriculum concepts.
http://www.w3.org/ns/prov#wasQuotedFrom
  • pbslearningmedia.org