PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ROI estimates are notoriously flakey because they require people to make guesses about costs, revenues, time frames, and other issues.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ibm.com