PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Air, steam, air/steam mixtures with a steam content of 2 to 80% by weight, inert gases, such as nitrogen or carbon dioxide, and hydrocarbons or mixtures thereof can be used as the gaseous medium.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com