PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ???Everybody thought at first that if you have a problem this big that scientists said is a problem, then our system would act,??? McKibben said. ???That was my assumption.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ecowatch.com