PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • True, fracking and other unconventional technologies have already substantially increased the production of hard-to-exploit fuels, including tar sands, shale gas, and deep-sea reserves.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nakedcapitalism.com