PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Pollutants and other harmful or dangerous substances pose considerable threats to the health and well-being of Canadians and have significant negative impacts on air, water, and land.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tbs-sct.gc.ca