PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Australia, Singapore, Israel, Saudi Arabia and other thirsty countries are big desalination supporters, but tougher regulatory requirements have made it a harder sell in the U.S. Many environmentalists see desalination as a last resort, contending it is an energy hog that sucks marine life into the plants.
http://www.w3.org/ns/prov#wasQuotedFrom
  • yahoo.com