PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Such a system is only one option among many for reducing the emission of pollutants, most notably carbon dioxide, a greenhouse gas which has attracted a great deal of attention due to its environmental impacts.Under a cap and trade system, a government authority first sets a cap, deciding how much pollution in total will be allowed.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com