PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • EPA is in the process of revising the methods it uses to calculate emissions from power plants and other sources of pollutants such as particulates, sulfur dioxide, and nitrogen oxides.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sej.org