PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Results from randomized clinical trials and other studies show that "screening mammography can help reduce the number of deaths from breast cancer among women ages 40 to 74.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nih.gov