PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Desalination is very expensive, produces greenhouse gases, creates massive amounts of waste salt, has major repercussions for marine ecosystems (why does everyone think the ocean is a bottomless source and sink?), and the cost of piping desalinised water for agricultural irrigation purposes alone would be completely prohibitive.
http://www.w3.org/ns/prov#wasQuotedFrom
  • johnquiggin.com