PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Salinization is a particularly significant form of soil degradation because it is difficult to treat and can lead to desertification.
http://www.w3.org/ns/prov#wasQuotedFrom
  • unep.org