PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For instance, researchers reported that atmospheric methane concentrations had begun to soar.4 This both confirms a rapid warming (the likely source of that methane was the melting permafrost of the far north) and spurs further heat, since methane, like carbon dioxide, is a potent greenhouse gas.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thesolutionsjournal.com