PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Wind is a free energy source, but turning wind into electricity is very capital intensive compared to generating electricity with relatively BTU-intensive fossil fuels.
http://www.w3.org/ns/prov#wasQuotedFrom
  • masterresource.org