PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Because heartburn is the most common symptom of GERD, the disease is often misunderstood and underestimated by patients and doctors.
http://www.w3.org/ns/prov#wasQuotedFrom
  • medilexicon.com