PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the case of petroleum fractions whose burning properties are of interest, such as illuminating kerosene and kerosene-type jet engine fuels, these properties can be characterized by such factors as the smoke point, which is the height in mm. of the flame just before it becomes smoky.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com