PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It covers the developments and the challenges facing the mineral processor, particularly in regard to environmental challenges of improving the efficiency of existing processes as well as dealing with the waste.
http://www.w3.org/ns/prov#wasQuotedFrom
  • smenet.org