PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The research focuses mainly on toxic properties of lead, mercury, and cadmium derivatives [1], that is of metals commonly present in industrial processes of the previous century.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hindawi.com