PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If the gas to air mixture is adjusted properly, the byproducts of burning gas are various gases, including carbon dioxide and carbon monoxide, and water vapor.
http://www.w3.org/ns/prov#wasQuotedFrom
  • abbeyroadchimneysweeps.com