PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ecosystems downstream, notably the Chesapeake Bay, can become highly degraded by upstream pollutants and effluents.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hood.edu