PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Today a number of techniques are used for treatment of water i.e. chemical and physical agent such as chlorine and its derivatives, Ultraviolet light [5], Boiling, Low frequency ultrasonic irradiation [6].
http://www.w3.org/ns/prov#wasQuotedFrom
  • wipo.int