PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Teachers spent more and more time looking at data, something they weren't particularly trained for (and which I doubt provided much useful information).
http://www.w3.org/ns/prov#wasQuotedFrom
  • huffingtonpost.com