PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The more than 41,000 clinical trials listed are mainly ones being conducted by the National Institutes of Health or under its sponsorship.
http://www.w3.org/ns/prov#wasQuotedFrom
  • uchc.edu