PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Reaction (9) is known as hydrocarbon cracking, particularly the cracking of the higher hydrocarbons such as ethane, propane and butane which are present in natural gas at low but significant concentrations.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com