PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • That syngas was cleaned of tars and other contaminants in a reforming process jointly developed by Andritz-Carbona and Haldor Tops??e.
http://www.w3.org/ns/prov#wasQuotedFrom
  • greencarcongress.com