PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Some of the ice we have collected and have here is already gone from the mountains.Greenhouse gases, such as carbon dioxide and methane, are released by a variety of human activities.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nationalgeographic.com