PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In July 2003, a BBC Radio-4 report, after carrying out tests at the University of Exeter in Britain, pronounced the sludge as dangerously laden with heavy metals, especially cadmium and lead and already contaminating the food chain.
http://www.w3.org/ns/prov#wasQuotedFrom
  • corpwatch.org