PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A Courier-Journal series in 2000 revealed that waterways, underground water, soil, plants and animals had been contaminated with some of the most dangerous chemicals known, including plutonium and dioxin.
http://www.w3.org/ns/prov#wasQuotedFrom
  • grist.org