PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • compounds, (125) and metals such as nickel, (126) cadmium, (127) and
http://www.w3.org/ns/prov#wasQuotedFrom
  • thefreelibrary.com