PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This free online database, created in response to a legislative mandate to help the public learn more about clinical trials, today contains descriptions, locations, and other vital information about more than 109,000 clinical trials.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nih.gov