PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • While abdominal pain is the most common symptom of ulcers, many ulcers produce no obvious symptoms.
http://www.w3.org/ns/prov#wasQuotedFrom
  • clevelandclinic.org