PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If the drug is offered for treatment of progressive or life-threatening diseases, such as cancer, . . . we now consider its effectiveness.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cornell.edu