PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These electronics put heavy metals and toxins such as lead, chromium, cadmium, mercury, beryllium, nickel, zinc, and brominated flame retardants into the environment.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usda.gov