PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Scientists now believe that exposure to toxins such as lead, mercury and pesticides could account for 25 percent of that increase.
http://www.w3.org/ns/prov#wasQuotedFrom
  • greenprophet.com