PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A 2012 study of global groundwater depletion published in Nature demonstrates how some of the planet???s largest underground aquifers are now being depleted by irrigation and other uses faster than they can be replenished by rainwater.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thearizonasentinel.com