PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In 2007 the U.S. Supreme Court ruled, in the landmark case of Massachusetts v. Environmental Protection Agency, that a statute enacted by Congress in 1970 ??? the Clean Air Act ??? authorizes EPA to regulate greenhouse gases, including carbon dioxide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • acslaw.org