PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A carcinogen can be a chemical, radiation, radionuclide (an atom with an unstable nucleus), virus, hormone, or other agent that is directly involved in the promotion of cancer or in the facilitation of its propagation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • newworldencyclopedia.org