PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A 2013 survey found that 97 percent of climate science papers agree that global warming is due to human activity, including carbon dioxide emissions.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wunderground.com