PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The combustion of fossil fuels can generate by-products such as carbon monoxide, soot, and formaldehyde.
http://www.w3.org/ns/prov#wasQuotedFrom
  • reuters.com