PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Electronic ???e-waste??? has hazardous components such as lead, mercury, arsenic, cadmium, chromium and silver.
http://www.w3.org/ns/prov#wasQuotedFrom
  • bizwest.com