PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Carbon dioxide is a natural gas that is produced by the respiration of animals, the decomposition of organic matter, and the burning of fossil fuels and wood.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.com