PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Emphysema is a form of chronic obstructive pulmonary disease (COPD), which is the third-leading cause of death in the United States.
http://www.w3.org/ns/prov#wasQuotedFrom
  • eurekalert.org