PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The hydrogen being extracted from coal is more likely being used to make fertilzer, or to hydrogenate foods and other industrial products.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cleantechnica.com