PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As the amount of time spent at home increases so does the use of heating and cooking equipment and fuels such as gasoline, wood, coal, natural gas, propane, oil and methane; all potential sources of carbon monoxide, an invisible, odorless, and colorless gas created when fuels burn incomplete; often referred to as the silent killer.
http://www.w3.org/ns/prov#wasQuotedFrom
  • pwcgov.org