PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Processes are disclosed for treating materials such as waste material, wastewater, and sludge, particularly waste activated sludge (WAS).
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es