PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Most greenhouse gas emissions come from industrial activity and thus, not surprisingly, the United States and other industrialized countries are the primary contributors to the increase in atmospheric concentrations of greenhouse gases over the past century.
http://www.w3.org/ns/prov#wasQuotedFrom
  • american.edu