PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As everyone reading this surely already knows, mercury is a toxin that causes brain damage and other maladies, particularly in fetuses and young children.
http://www.w3.org/ns/prov#wasQuotedFrom
  • grist.org