PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As a historian of science who studies global warming, I???ve often stressed that anthropogenic climate change is a matter of basic physics: CO2 is a greenhouse gas, which means it traps heat in the Earth???s atmosphere.
http://www.w3.org/ns/prov#wasQuotedFrom
  • truth-out.org