PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Previous research ... symptoms, such as a history of the disease, gum recession, swollen gums, and gum bleeding.
http://www.w3.org/ns/prov#wasQuotedFrom
  • bio-medicine.org