PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Techniques such as exhaust gas recirculation and partially homogenizing fuel-air mixtures are helpful in reducing NOx emissions, but these techniques alone are not sufficient.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freshpatents.com