PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Electronics can contain toxic materials such as lead, chromium, cadmium, mercury, and brominated flame retardants.
http://www.w3.org/ns/prov#wasQuotedFrom
  • dummies.com