PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Moreover, a study by Harvard professor and economist F.M. Scherer proved there is a close correlation between pharmaceutical profits and research and development.
http://www.w3.org/ns/prov#wasQuotedFrom
  • upi.com