PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This section of our website is designed for parents and other mentors who wants to support and encourage individual learners.
http://www.w3.org/ns/prov#wasQuotedFrom
  • khanacademy.org