PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • China is running out of water, while industrial pollution is an increasing problem in the dwindling supplies that it has:
http://www.w3.org/ns/prov#wasQuotedFrom
  • donklephant.com