PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Similarly, heavy metals such as copper, lead, mercury and others, react by adhering to the medium's surface, thus being effectively removed from the water supply.
http://www.w3.org/ns/prov#wasQuotedFrom
  • pureshowers.co.uk