PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • South Africa is a water-scarce country -- even where there is plenty of water available it often cannot be used because of pollution such as acid mine drainage and E. coli contamination from leaking sewage. (more)
http://www.w3.org/ns/prov#wasQuotedFrom
  • globalgoodnews.com