PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • While chemical treatment has long been practiced to eliminate biological contaminants such as algae and bacteria in heat exchange systems, magnetic fluid treatment may also eradicate many such contaminants.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com