PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Researchers at the State University of New York at Albany found radioactive materials such as uranium, radium and radon in tests of fracking wastewater.
http://www.w3.org/ns/prov#wasQuotedFrom
  • vcreporter.com