PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Our work is all in countries in the developing world, where toxic pollution is a much greater problem than in the United States.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blacksmithinstitute.org