PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For most teachers, audio recording, which can be done with free software such as Audacity, will be less time consuming and less expensive.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tesl-ej.org