PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • http://is.gd/lzeYJh Under authority granted by the Clean Air Act, the Environmental Protection Agency is developing performance standards for existing stationary sources, such as power plants and industrial facilities.
http://www.w3.org/ns/prov#wasQuotedFrom
  • envirovaluation.org