PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For many years the National Academy of Sciences has warned that the continued human-caused emission of greenhouse gases would produce more frequent and intense droughts, heat waves, precipitation, floods and other extreme weather events, rising sea levels and ocean acidification.
http://www.w3.org/ns/prov#wasQuotedFrom
  • climatesummit2013.org