PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Before we launched that campaign, most people didn???t realize that power plants are the #1 source of toxic water pollution, often discharging unlimited amounts mercury, arsenic, lead and other chemicals into our water.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cleanwaterfund.org