PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Pictures, picture dictionaries, flashcards, realia, and any other authentic materials are extremely important aids, but it is actually better if you do not speak any of the learners' language.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tefl.net