PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Carbon dioxide is a stable gas, so we need energy to transform it into a feedstock that can react with hydrogen and produce carbon monoxide or useful products.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com