PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • by the U.S. Environmental Protection Agency (EPA) and corresponding state laws and regulations, limit the emission of air pollutants such as sulfur oxides (SOx), nitrogen oxides
http://www.w3.org/ns/prov#wasQuotedFrom
  • sec.gov