PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The main difference between the two types of water is that spring water is often mechanically pumped from an unconfined aquifer while Artesian water is naturally pumped from a pressurized and confined Artesian well.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.com