PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As regulations evolve, countries typically transition from low-cost blend stocks and additives, such as lead and aromatics, towards alternatives that burn cleaner and have reduced handling risks.
http://www.w3.org/ns/prov#wasQuotedFrom
  • chemistrytoenergy.com