PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Radon is a form of ionizing radiation, a known human carcinogen and is the second leading cause of lung cancer in the United States.
http://www.w3.org/ns/prov#wasQuotedFrom
  • colby.edu