PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • E-waste contains toxic materials such as lead, cadmium, mercury, phosphors and flame-retardants.
http://www.w3.org/ns/prov#wasQuotedFrom
  • our-hometown.com