PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, a first fluid may be hydrocarbons such as methane or a mixture of carbon-bearing gases, and a second fluid may consist of one or more oxidizers such as oxygen, that upon mixing and being activated by the catalyst, crack to form hydrogen that reacts with the oxidizer to form exobaric by-products that may include steam.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com