PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Too often I see teachers that seem to hate technology or video or other types of innovation so amateurs like Kahn step in.
http://www.w3.org/ns/prov#wasQuotedFrom
  • coreknowledge.org