PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ClinicalTrials.gov : This site is a registry of federally and privately supported clinical trials conducted in the United States and around the world.
http://www.w3.org/ns/prov#wasQuotedFrom
  • aan.com