PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Many electronic devices contain harmful materials such as lead, mercury and other heavy metals, which harm the environment when improperly disposed of.
http://www.w3.org/ns/prov#wasQuotedFrom
  • govtech.com