PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The vapor may be an organic compound or mixture of compounds, such as a hydrocarbon, an aromatic hydrocarbon, a halogenated hydrocarbon or the like, or an inorganic compound, such as water, sulfur dioxide, ammonia, etc.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au