PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The best method to measure concentrations and emissions will depend on atmospheric concentrations, cost, facility characteristics, objectives, and other factors.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usda.gov