PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • More aquifers in the Southern California desert contain high levels of arsenic, boron, fluoride and other elements compared with the rest of the state.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sddt.com