PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Exposure to arsenic, cadmium, barium, chromium, selenium, lead and mercury can cause any number of health problems, including cancers and neurological diseases.
http://www.w3.org/ns/prov#wasQuotedFrom
  • coaltrainfacts.org