PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In general, he says, electronics products carry this label because of the materials used in circuit boards, such as lead, for example.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cnn.com