PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Tablet devices such as the iPad have become more widely used by students ??? and authoring tools allow universities to create their own digital materials for their courses.
http://www.w3.org/ns/prov#wasQuotedFrom
  • eduberry.com