PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Lower levels of harmful mercury, lead, arsenic and other dangerous toxins in the air mean our children will be able to breathe more easily.
http://www.w3.org/ns/prov#wasQuotedFrom
  • epa.gov