PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The burning of fossil fuels, such as coal, oil and natural gas for energy is the primary source of emissions (http://yosemite.epa.gov/oar/globalwarming.nsf/content/ImpactsStateImpacts.html).
http://www.w3.org/ns/prov#wasQuotedFrom
  • uaf.edu