PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As children are taught at school, trees and other plants absorb CO2 from the air as they grow.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thinkprogress.org