PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A comparatively high temperature is used in the presence of an inert gas such as nitrogen, oxygen, carbon dioxide or steam, and a comparatively low temperature is used in the presence of a reducing gas such as hydrocarbons and other organic compounds, ammonia or carbon monoxide, etc.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com