PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Heartburn is the most common and specific symptom of GERD. In some patients, chest pain or respiratory symptoms may be the only presenting signs.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com