PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The Kyoto Protocol is one of more than 100 global environmental treaties negotiated over the past 40 years to address pollution, fisheries management, ocean dumping and other problems.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sciencedaily.com