PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Global warming is a problem that we must confront, but according to economic modeling by Carlo Carraro of the University of Venice, its damage is likely to cost something on the order of 2% to 5% of GDP by the end of the century.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wsj.com