PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Contaminants such as beryllium, cadmium and lead in electronic devices are dangerous for the environment and human life.
http://www.w3.org/ns/prov#wasQuotedFrom
  • standardattrition.org