PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Persistent heartburn is the most common symptom of GERD and usually feels like a burning pain that starts behind the breastbone and radiates upward to the neck.
http://www.w3.org/ns/prov#wasQuotedFrom
  • bio-medicine.org