PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Surgery such as trabeculectomy was once thought to be appropriate only when medical treatment had failed, but new studies indicate that early surgery may benefit selected patients.
http://www.w3.org/ns/prov#wasQuotedFrom
  • aafp.org