PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • for cracking a hydrocarbon material in the presence of microwave discharge plasma and a carrier gas, such as oxygen, hydrogen, and nitrogen and, generally, a catalyst.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com