PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Integrating random, highly variable wind energy into an electricity system presents substantial problems that subvert wind technology???s ability to offset the use of fossil fuels???and avoid air emissions, including carbon dioxide (CO2).
http://www.w3.org/ns/prov#wasQuotedFrom
  • masterresource.org