PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The embedded database contains information on a variety of commodity materials and processes, including pulp and paper, petrochemicals, plastics, inorganic chemicals, steel, aluminum, glass, energy conversion, transportation and waste management.
http://www.w3.org/ns/prov#wasQuotedFrom
  • p2ric.org