PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • That would include a US carbon cap-and-trade system, which Voser said is more effective than a direct carbon tax in setting a market price. ???We need such a market as the most effective way of promoting low carbon technologies, in particular carbon capture and storage.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ogj.com