PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Thirdly, exhaust gases resulting from operation of any type of fuel-consuming engine (for example, an internal combustion engine) are known to contain products and by-products of incomplete combustion of fuels, such as carbon monoxide, lead, sulfuric acid and hydrocarbons, to mention only a few.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com