PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • NextEra has solidified the fly ash in a 2.6-acre lagoon by mixing it with a slurry of concrete, but it is unknown whether there might be environmental hazards, such as PCBs, mercury, and asbestos, to deal with.
http://www.w3.org/ns/prov#wasQuotedFrom
  • downeast.com