PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Echocardiography, or echo, is a test that uses sound waves to create a detailed picture of the heart.
http://www.w3.org/ns/prov#wasQuotedFrom
  • floridahospital.com