PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Results of epidemiologic research published during the 1950s and early 1960s showed that smoking is a cause of lung cancer, and led to the US Surgeon General's 1964 report Smoking and Health.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cancer.org