PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • My view is that the first two approaches are simple enough and probably solve most of the problem so it is worth trying them out and then measuring performance.
http://www.w3.org/ns/prov#wasQuotedFrom
  • apache.org