PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Even if these numbers are a low estimate, and enough energy sources remain for several more centuries, there is still a need to find cleaner sources of energy.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ncdcr.gov