PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In some cases, doctors can also use techniques such as hepatic artery embolization and chemoembolization, which essentially destroy the blood vessels that have been feeding the metastases in an attempt to choke off the tumors' blood supply.
http://www.w3.org/ns/prov#wasQuotedFrom
  • slate.com