PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Gordon Liu of Peking University says about 40% of hospital revenues typically come from such sales, with another 40-50% from services such as diagnostic tests and treatments.
http://www.w3.org/ns/prov#wasQuotedFrom
  • economist.com