PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Doing it this way makes it possible for people to compare the two states, such as the past and today, which is almost impossible to do when they can only see one graph at a time.
http://www.w3.org/ns/prov#wasQuotedFrom
  • perceptualedge.com