PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Heat is supplied to chemical reactions, especially reactions involving the cracking of hydrocarbons for producing gas, by the combustion of fuels with heated combustion air followed by a heat exchange extraction of sensible heat from the flue gases produced by the combustion for heating air for the combustion.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com