PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In 1948, the US National Institutes of Health launched the Framingham Heart Study, an effort to uncover risk factors for heart disease, stroke and other illnesses.
http://www.w3.org/ns/prov#wasQuotedFrom
  • newscientist.com