PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These sediments include heavy metals, hydrocarbons, chlorinated solvents, PCBs and other potentially harmful chemicals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • muskegonlake.org