PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Opioid drugs like morphine and Oxycontin, which are sometimes used to treat the severe pain that accompanies life-threatening cancer and other diseases, for example, can cause overdoses.
http://www.w3.org/ns/prov#wasQuotedFrom
  • time.com