PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A catalyzer is provided for promoting chemical reactions, such as the reaction between ammonia and air to produce nitrogen monoxide which, in turn, can be used to manufacture nitric acid or the purification of flue gas from incineration plants.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com