PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • We???re especially interested in prices charged and paid for three common tests: mammograms, lower-back MRIs and chest x-rays.
http://www.w3.org/ns/prov#wasQuotedFrom
  • kqed.org