PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, if your objective is to teach various forms of the future, you might be looking at: what are you going to do after class?
http://www.w3.org/ns/prov#wasQuotedFrom
  • tefl.net