PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Emission levels of some of these pollutants, such as NOx and SOx depend heavily on the chemical composition of individual fuels while emission levels of other pollutants such as particulates ( PM) and carbon monoxide depend on the completeness of the combustion process.
http://www.w3.org/ns/prov#wasQuotedFrom
  • www.gov.scot