PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Electronic products often contain hazardous and toxic materials such as lead, chromium, nickel and zinc, which pose environmental risks when disposed of improperly.
http://www.w3.org/ns/prov#wasQuotedFrom
  • couriernews.com