PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Computers and accessories, televisions and other electronic equipment contain toxic substances such as lead, mercury, arsenic, and cadmium.
http://www.w3.org/ns/prov#wasQuotedFrom
  • epa.gov