PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Subregion 4 ??? primarily industrial, light and heavy industry such as chemical and allied products, primary ferrous and nonferrous metals, stone, clay, glass, petroleum, and coal.
http://www.w3.org/ns/prov#wasQuotedFrom
  • planning.org